87471645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3673

約数の個数: 32

約数和(自身を含む): 148137984

約数和(自身を除く): 60666339

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 3571, 4899, 8165, 10713, 17855, 24495, 53565, 82133, 246399, 253541, 410665, 760623, 1231995, 1267705, 3803115, 5831443, 17494329, 29157215, 87471645]

約数ペア:

[(1, 87471645), (3, 29157215), (5, 17494329), (15, 5831443), (23, 3803115), (69, 1267705), (71, 1231995), (115, 760623), (213, 410665), (345, 253541), (355, 246399), (1065, 82133), (1633, 53565), (3571, 24495), (4899, 17855), (8165, 10713)]