81154875

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{5849}}^1$

素因数の和:5904

約数の個数: 32

約数和(自身を含む): 138715200

約数和(自身を除く): 57560325

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 925, 2775, 4625, 5849, 13875, 17547, 29245, 87735, 146225, 216413, 438675, 649239, 731125, 1082065, 2193375, 3246195, 5410325, 16230975, 27051625, 81154875]

約数ペア:

[(1, 81154875), (3, 27051625), (5, 16230975), (15, 5410325), (25, 3246195), (37, 2193375), (75, 1082065), (111, 731125), (125, 649239), (185, 438675), (375, 216413), (555, 146225), (925, 87735), (2775, 29245), (4625, 17547), (5849, 13875)]