1227291221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{28669}}^1$

素因数の和:28808

約数の個数: 16

約数和(自身を含む): 1372719600

約数和(自身を除く): 145428379

約数列:

[1, 13, 37, 89, 481, 1157, 3293, 28669, 42809, 372697, 1060753, 2551541, 13789789, 33170033, 94407017, 1227291221]

約数ペア:

[(1, 1227291221), (13, 94407017), (37, 33170033), (89, 13789789), (481, 2551541), (1157, 1060753), (3293, 372697), (28669, 42809)]