51281316

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 148538880

約数和(自身を除く): 97257564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 53, 54, 62, 68, 93, 102, 106, 108, 124, 153, 159, 186, 204, 212, 279, 289, 306, 318, 372, 459, 477, 527, 558, 578, 612, 636, 837, 867, 901, 918, 954, 1054, 1116, 1156, 1431, 1581, 1643, 1674, 1734, 1802, 1836, 1908, 2108, 2601, 2703, 2862, 3162, 3286, 3348, 3468, 3604, 4743, 4929, 5202, 5406, 5724, 6324, 6572, 7803, 8109, 8959, 9486, 9858, 10404, 10812, 14229, 14787, 15317, 15606, 16218, 17918, 18972, 19716, 24327, 26877, 27931, 28458, 29574, 30634, 31212, 32436, 35836, 44361, 45951, 48654, 53754, 55862, 56916, 59148, 61268, 80631, 83793, 88722, 91902, 97308, 107508, 111724, 137853, 161262, 167586, 177444, 183804, 241893, 251379, 275706, 322524, 335172, 413559, 474827, 483786, 502758, 551412, 754137, 827118, 949654, 967572, 1005516, 1424481, 1508274, 1654236, 1899308, 2848962, 3016548, 4273443, 5697924, 8546886, 12820329, 17093772, 25640658, 51281316]

約数ペア:

[(1, 51281316), (2, 25640658), (3, 17093772), (4, 12820329), (6, 8546886), (9, 5697924), (12, 4273443), (17, 3016548), (18, 2848962), (27, 1899308), (31, 1654236), (34, 1508274), (36, 1424481), (51, 1005516), (53, 967572), (54, 949654), (62, 827118), (68, 754137), (93, 551412), (102, 502758), (106, 483786), (108, 474827), (124, 413559), (153, 335172), (159, 322524), (186, 275706), (204, 251379), (212, 241893), (279, 183804), (289, 177444), (306, 167586), (318, 161262), (372, 137853), (459, 111724), (477, 107508), (527, 97308), (558, 91902), (578, 88722), (612, 83793), (636, 80631), (837, 61268), (867, 59148), (901, 56916), (918, 55862), (954, 53754), (1054, 48654), (1116, 45951), (1156, 44361), (1431, 35836), (1581, 32436), (1643, 31212), (1674, 30634), (1734, 29574), (1802, 28458), (1836, 27931), (1908, 26877), (2108, 24327), (2601, 19716), (2703, 18972), (2862, 17918), (3162, 16218), (3286, 15606), (3348, 15317), (3468, 14787), (3604, 14229), (4743, 10812), (4929, 10404), (5202, 9858), (5406, 9486), (5724, 8959), (6324, 8109), (6572, 7803)]