31268391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{607}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 52297728

約数和(自身を除く): 21029337

約数列:

[1, 3, 7, 11, 21, 33, 77, 223, 231, 607, 669, 1561, 1821, 2453, 4249, 4683, 6677, 7359, 12747, 17171, 20031, 46739, 51513, 135361, 140217, 406083, 947527, 1488971, 2842581, 4466913, 10422797, 31268391]

約数ペア:

[(1, 31268391), (3, 10422797), (7, 4466913), (11, 2842581), (21, 1488971), (33, 947527), (77, 406083), (223, 140217), (231, 135361), (607, 51513), (669, 46739), (1561, 20031), (1821, 17171), (2453, 12747), (4249, 7359), (4683, 6677)]