31839801

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 51456000

約数和(自身を除く): 19616199

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 401, 597, 1203, 1393, 2807, 3781, 4179, 7619, 8421, 11343, 22857, 26467, 53333, 79401, 79799, 159999, 239397, 558593, 1516181, 1675779, 4548543, 10613267, 31839801]

約数ペア:

[(1, 31839801), (3, 10613267), (7, 4548543), (19, 1675779), (21, 1516181), (57, 558593), (133, 239397), (199, 159999), (399, 79799), (401, 79401), (597, 53333), (1203, 26467), (1393, 22857), (2807, 11343), (3781, 8421), (4179, 7619)]