257240481

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1\times {\mathrm{4337}}^1$

素因数の和:5520

約数の個数: 16

約数和(自身を含む): 363559104

約数和(自身を除く): 106318623

約数列:

[1, 3, 17, 51, 1163, 3489, 4337, 13011, 19771, 59313, 73729, 221187, 5043931, 15131793, 85746827, 257240481]

約数ペア:

[(1, 257240481), (3, 85746827), (17, 15131793), (51, 5043931), (1163, 221187), (3489, 73729), (4337, 59313), (13011, 19771)]