1221387145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{3313}}^1\times {\mathrm{6703}}^1$

素因数の和:10032

約数の個数: 16

約数和(自身を含む): 1599628032

約数和(自身を除く): 378240887

約数列:

[1, 5, 11, 55, 3313, 6703, 16565, 33515, 36443, 73733, 182215, 368665, 22207039, 111035195, 244277429, 1221387145]

約数ペア:

[(1, 1221387145), (5, 244277429), (11, 111035195), (55, 22207039), (3313, 368665), (6703, 182215), (16565, 73733), (33515, 36443)]