71489355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4177}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 131556864

約数和(自身を除く): 60067509

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 2445, 3423, 4177, 5705, 12531, 17115, 20885, 29239, 62655, 87717, 146195, 438585, 680851, 2042553, 3404255, 4765957, 10212765, 14297871, 23829785, 71489355]

約数ペア:

[(1, 71489355), (3, 23829785), (5, 14297871), (7, 10212765), (15, 4765957), (21, 3404255), (35, 2042553), (105, 680851), (163, 438585), (489, 146195), (815, 87717), (1141, 62655), (2445, 29239), (3423, 20885), (4177, 17115), (5705, 12531)]