39721209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{12409}}^1$

素因数の和:12520

約数の個数: 16

約数和(自身を含む): 58376640

約数和(自身を除く): 18655431

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 12409, 37227, 136499, 409497, 1203673, 3611019, 13240403, 39721209]

約数ペア:

[(1, 39721209), (3, 13240403), (11, 3611019), (33, 1203673), (97, 409497), (291, 136499), (1067, 37227), (3201, 12409)]