31689609

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 49975296

約数和(自身を除く): 18285687

約数列:

[1, 3, 7, 21, 47, 97, 141, 291, 329, 331, 679, 987, 993, 2037, 2317, 4559, 6951, 13677, 15557, 31913, 32107, 46671, 95739, 96321, 108899, 224749, 326697, 674247, 1509029, 4527087, 10563203, 31689609]

約数ペア:

[(1, 31689609), (3, 10563203), (7, 4527087), (21, 1509029), (47, 674247), (97, 326697), (141, 224749), (291, 108899), (329, 96321), (331, 95739), (679, 46671), (987, 32107), (993, 31913), (2037, 15557), (2317, 13677), (4559, 6951)]