31299261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 51234048

約数和(自身を除く): 19934787

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1201, 1241, 1533, 3603, 3723, 8407, 8687, 20417, 25221, 26061, 61251, 87673, 142919, 263019, 428757, 613711, 1490441, 1841133, 4471323, 10433087, 31299261]

約数ペア:

[(1, 31299261), (3, 10433087), (7, 4471323), (17, 1841133), (21, 1490441), (51, 613711), (73, 428757), (119, 263019), (219, 142919), (357, 87673), (511, 61251), (1201, 26061), (1241, 25221), (1533, 20417), (3603, 8687), (3723, 8407)]