15991722

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 21747798

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 82, 93, 123, 186, 233, 246, 279, 369, 466, 558, 699, 738, 837, 1107, 1271, 1398, 1674, 2097, 2214, 2542, 3813, 4194, 6291, 7223, 7626, 9553, 11439, 12582, 14446, 19106, 21669, 22878, 28659, 34317, 43338, 57318, 65007, 68634, 85977, 130014, 171954, 195021, 257931, 296143, 390042, 515862, 592286, 888429, 1776858, 2665287, 5330574, 7995861, 15991722]

約数ペア:

[(1, 15991722), (2, 7995861), (3, 5330574), (6, 2665287), (9, 1776858), (18, 888429), (27, 592286), (31, 515862), (41, 390042), (54, 296143), (62, 257931), (82, 195021), (93, 171954), (123, 130014), (186, 85977), (233, 68634), (246, 65007), (279, 57318), (369, 43338), (466, 34317), (558, 28659), (699, 22878), (738, 21669), (837, 19106), (1107, 14446), (1271, 12582), (1398, 11439), (1674, 9553), (2097, 7626), (2214, 7223), (2542, 6291), (3813, 4194)]