31611993

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 51745536

約数和(自身を除く): 20133543

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1213, 1241, 1533, 3639, 3723, 8491, 8687, 20621, 25473, 26061, 61863, 88549, 144347, 265647, 433041, 619843, 1505333, 1859529, 4515999, 10537331, 31611993]

約数ペア:

[(1, 31611993), (3, 10537331), (7, 4515999), (17, 1859529), (21, 1505333), (51, 619843), (73, 433041), (119, 265647), (219, 144347), (357, 88549), (511, 61863), (1213, 26061), (1241, 25473), (1533, 20621), (3639, 8687), (3723, 8491)]