56178135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 107911440

約数和(自身を除く): 51733305

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 83, 89, 117, 169, 195, 249, 267, 415, 445, 507, 585, 747, 801, 845, 1079, 1157, 1245, 1335, 1521, 2535, 3237, 3471, 3735, 4005, 5395, 5785, 7387, 7605, 9711, 10413, 14027, 15041, 16185, 17355, 22161, 36935, 42081, 45123, 48555, 52065, 66483, 70135, 75205, 96031, 110805, 126243, 135369, 210405, 225615, 288093, 332415, 480155, 631215, 676845, 864279, 1248403, 1440465, 3745209, 4321395, 6242015, 11235627, 18726045, 56178135]

約数ペア:

[(1, 56178135), (3, 18726045), (5, 11235627), (9, 6242015), (13, 4321395), (15, 3745209), (39, 1440465), (45, 1248403), (65, 864279), (83, 676845), (89, 631215), (117, 480155), (169, 332415), (195, 288093), (249, 225615), (267, 210405), (415, 135369), (445, 126243), (507, 110805), (585, 96031), (747, 75205), (801, 70135), (845, 66483), (1079, 52065), (1157, 48555), (1245, 45123), (1335, 42081), (1521, 36935), (2535, 22161), (3237, 17355), (3471, 16185), (3735, 15041), (4005, 14027), (5395, 10413), (5785, 9711), (7387, 7605)]