12851205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 9128955

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 953, 2697, 2859, 4495, 4765, 13485, 14295, 27637, 29543, 82911, 88629, 138185, 147715, 414555, 443145, 856747, 2570241, 4283735, 12851205]

約数ペア:

[(1, 12851205), (3, 4283735), (5, 2570241), (15, 856747), (29, 443145), (31, 414555), (87, 147715), (93, 138185), (145, 88629), (155, 82911), (435, 29543), (465, 27637), (899, 14295), (953, 13485), (2697, 4765), (2859, 4495)]