38788209

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 57493800

約数和(自身を除く): 18705591

約数列:

[1, 3, 9, 53, 159, 233, 349, 477, 699, 1047, 2097, 3141, 12349, 18497, 37047, 55491, 81317, 111141, 166473, 243951, 731853, 4309801, 12929403, 38788209]

約数ペア:

[(1, 38788209), (3, 12929403), (9, 4309801), (53, 731853), (159, 243951), (233, 166473), (349, 111141), (477, 81317), (699, 55491), (1047, 37047), (2097, 18497), (3141, 12349)]