201218025

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 347745600

約数和(自身を除く): 146527575

約数列:

[1, 3, 5, 15, 25, 37, 59, 75, 111, 177, 185, 295, 555, 885, 925, 1229, 1475, 2183, 2775, 3687, 4425, 6145, 6549, 10915, 18435, 30725, 32745, 45473, 54575, 72511, 92175, 136419, 163725, 217533, 227365, 362555, 682095, 1087665, 1136825, 1812775, 2682907, 3410475, 5438325, 8048721, 13414535, 40243605, 67072675, 201218025]

約数ペア:

[(1, 201218025), (3, 67072675), (5, 40243605), (15, 13414535), (25, 8048721), (37, 5438325), (59, 3410475), (75, 2682907), (111, 1812775), (177, 1136825), (185, 1087665), (295, 682095), (555, 362555), (885, 227365), (925, 217533), (1229, 163725), (1475, 136419), (2183, 92175), (2775, 72511), (3687, 54575), (4425, 45473), (6145, 32745), (6549, 30725), (10915, 18435)]