163980855

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 312516864

約数和(自身を除く): 148536009

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 81, 93, 111, 135, 155, 185, 279, 333, 353, 405, 465, 555, 837, 999, 1059, 1147, 1395, 1665, 1765, 2511, 2997, 3177, 3441, 4185, 4995, 5295, 5735, 9531, 10323, 10943, 12555, 13061, 14985, 15885, 17205, 28593, 30969, 32829, 39183, 47655, 51615, 54715, 65305, 92907, 98487, 117549, 142965, 154845, 164145, 195915, 295461, 352647, 404891, 464535, 492435, 587745, 886383, 1057941, 1214673, 1477305, 1763235, 2024455, 3644019, 4431915, 5289705, 6073365, 10932057, 18220095, 32796171, 54660285, 163980855]

約数ペア:

[(1, 163980855), (3, 54660285), (5, 32796171), (9, 18220095), (15, 10932057), (27, 6073365), (31, 5289705), (37, 4431915), (45, 3644019), (81, 2024455), (93, 1763235), (111, 1477305), (135, 1214673), (155, 1057941), (185, 886383), (279, 587745), (333, 492435), (353, 464535), (405, 404891), (465, 352647), (555, 295461), (837, 195915), (999, 164145), (1059, 154845), (1147, 142965), (1395, 117549), (1665, 98487), (1765, 92907), (2511, 65305), (2997, 54715), (3177, 51615), (3441, 47655), (4185, 39183), (4995, 32829), (5295, 30969), (5735, 28593), (9531, 17205), (10323, 15885), (10943, 14985), (12555, 13061)]