81479844

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{4931}}^1$

素因数の和:4967

約数の個数: 72

約数和(自身を含む): 226201248

約数和(自身を除く): 144721404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1377, 1836, 2754, 4131, 4931, 5508, 8262, 9862, 14793, 16524, 19724, 29586, 44379, 59172, 83827, 88758, 133137, 167654, 177516, 251481, 266274, 335308, 399411, 502962, 532548, 754443, 798822, 1005924, 1198233, 1508886, 1597644, 2263329, 2396466, 3017772, 4526658, 4792932, 6789987, 9053316, 13579974, 20369961, 27159948, 40739922, 81479844]

約数ペア:

[(1, 81479844), (2, 40739922), (3, 27159948), (4, 20369961), (6, 13579974), (9, 9053316), (12, 6789987), (17, 4792932), (18, 4526658), (27, 3017772), (34, 2396466), (36, 2263329), (51, 1597644), (54, 1508886), (68, 1198233), (81, 1005924), (102, 798822), (108, 754443), (153, 532548), (162, 502962), (204, 399411), (243, 335308), (306, 266274), (324, 251481), (459, 177516), (486, 167654), (612, 133137), (918, 88758), (972, 83827), (1377, 59172), (1836, 44379), (2754, 29586), (4131, 19724), (4931, 16524), (5508, 14793), (8262, 9862)]