261283425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3671}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 471719808

約数和(自身を除く): 210436383

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 195, 219, 325, 365, 949, 975, 1095, 1825, 2847, 3671, 4745, 5475, 11013, 14235, 18355, 23725, 47723, 55065, 71175, 91775, 143169, 238615, 267983, 275325, 715845, 803949, 1193075, 1339915, 3483779, 3579225, 4019745, 6699575, 10451337, 17418895, 20098725, 52256685, 87094475, 261283425]

約数ペア:

[(1, 261283425), (3, 87094475), (5, 52256685), (13, 20098725), (15, 17418895), (25, 10451337), (39, 6699575), (65, 4019745), (73, 3579225), (75, 3483779), (195, 1339915), (219, 1193075), (325, 803949), (365, 715845), (949, 275325), (975, 267983), (1095, 238615), (1825, 143169), (2847, 91775), (3671, 71175), (4745, 55065), (5475, 47723), (11013, 23725), (14235, 18355)]