388773801

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 660965760

約数和(自身を除く): 272191959

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 61, 117, 141, 171, 183, 247, 423, 549, 611, 741, 793, 893, 1159, 1833, 2223, 2379, 2679, 2867, 3477, 3721, 5499, 7137, 8037, 8601, 10431, 11163, 11609, 15067, 25803, 33489, 34827, 37271, 45201, 48373, 54473, 70699, 104481, 111813, 135603, 145119, 163419, 174887, 212097, 335439, 435357, 490257, 524661, 636291, 708149, 919087, 1573983, 2124447, 2273531, 2757261, 3322853, 6373341, 6820593, 8271783, 9968559, 20461779, 29905677, 43197089, 129591267, 388773801]

約数ペア:

[(1, 388773801), (3, 129591267), (9, 43197089), (13, 29905677), (19, 20461779), (39, 9968559), (47, 8271783), (57, 6820593), (61, 6373341), (117, 3322853), (141, 2757261), (171, 2273531), (183, 2124447), (247, 1573983), (423, 919087), (549, 708149), (611, 636291), (741, 524661), (793, 490257), (893, 435357), (1159, 335439), (1833, 212097), (2223, 174887), (2379, 163419), (2679, 145119), (2867, 135603), (3477, 111813), (3721, 104481), (5499, 70699), (7137, 54473), (8037, 48373), (8601, 45201), (10431, 37271), (11163, 34827), (11609, 33489), (15067, 25803)]