2045015

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 3028752

約数和(自身を除く): 983737

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 491, 595, 833, 2455, 3437, 4165, 8347, 17185, 24059, 41735, 58429, 120295, 292145, 409003, 2045015]

約数ペア:

[(1, 2045015), (5, 409003), (7, 292145), (17, 120295), (35, 58429), (49, 41735), (85, 24059), (119, 17185), (245, 8347), (491, 4165), (595, 3437), (833, 2455)]