31004631

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 53873664

約数和(自身を除く): 22869033

約数列:

[1, 3, 7, 9, 21, 37, 47, 63, 111, 141, 259, 283, 329, 333, 423, 777, 849, 987, 1739, 1981, 2331, 2547, 2961, 5217, 5943, 10471, 12173, 13301, 15651, 17829, 31413, 36519, 39903, 73297, 93107, 94239, 109557, 119709, 219891, 279321, 492137, 659673, 837963, 1476411, 3444959, 4429233, 10334877, 31004631]

約数ペア:

[(1, 31004631), (3, 10334877), (7, 4429233), (9, 3444959), (21, 1476411), (37, 837963), (47, 659673), (63, 492137), (111, 279321), (141, 219891), (259, 119709), (283, 109557), (329, 94239), (333, 93107), (423, 73297), (777, 39903), (849, 36519), (987, 31413), (1739, 17829), (1981, 15651), (2331, 13301), (2547, 12173), (2961, 10471), (5217, 5943)]