745521

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 1148928

約数和(自身を除く): 403407

約数列:

[1, 3, 7, 21, 131, 271, 393, 813, 917, 1897, 2751, 5691, 35501, 106503, 248507, 745521]

約数ペア:

[(1, 745521), (3, 248507), (7, 106503), (21, 35501), (131, 5691), (271, 2751), (393, 1897), (813, 917)]