81100145

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7043}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 115634304

約数和(自身を除く): 34534159

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 7043, 11515, 35215, 49301, 246505, 331021, 345107, 1655105, 1725535, 2317147, 11585735, 16220029, 81100145]

約数ペア:

[(1, 81100145), (5, 16220029), (7, 11585735), (35, 2317147), (47, 1725535), (49, 1655105), (235, 345107), (245, 331021), (329, 246505), (1645, 49301), (2303, 35215), (7043, 11515)]