31378851

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16067}}^1$

素因数の和:16111

約数の個数: 24

約数和(自身を含む): 53474304

約数和(自身を除く): 22095453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 16067, 48201, 112469, 144603, 337407, 498077, 1012221, 1494231, 3486539, 4482693, 10459617, 31378851]

約数ペア:

[(1, 31378851), (3, 10459617), (7, 4482693), (9, 3486539), (21, 1494231), (31, 1012221), (63, 498077), (93, 337407), (217, 144603), (279, 112469), (651, 48201), (1953, 16067)]