20150031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19697}}^1$

素因数の和:19742

約数の個数: 16

約数和(自身を含む): 30256128

約数和(自身を除く): 10106097

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19697, 59091, 216667, 610607, 650001, 1831821, 6716677, 20150031]

約数ペア:

[(1, 20150031), (3, 6716677), (11, 1831821), (31, 650001), (33, 610607), (93, 216667), (341, 59091), (1023, 19697)]