31474443

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 57802752

約数和(自身を除く): 26328309

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 141, 143, 223, 231, 273, 329, 429, 517, 611, 669, 987, 1001, 1551, 1561, 1833, 2453, 2899, 3003, 3619, 4277, 4683, 6721, 7359, 8697, 10481, 10857, 12831, 17171, 20163, 20293, 31443, 31889, 47047, 51513, 60879, 73367, 95667, 115291, 136253, 141141, 220101, 223223, 345873, 408759, 669669, 807037, 953771, 1498783, 2421111, 2861313, 4496349, 10491481, 31474443]

約数ペア:

[(1, 31474443), (3, 10491481), (7, 4496349), (11, 2861313), (13, 2421111), (21, 1498783), (33, 953771), (39, 807037), (47, 669669), (77, 408759), (91, 345873), (141, 223223), (143, 220101), (223, 141141), (231, 136253), (273, 115291), (329, 95667), (429, 73367), (517, 60879), (611, 51513), (669, 47047), (987, 31889), (1001, 31443), (1551, 20293), (1561, 20163), (1833, 17171), (2453, 12831), (2899, 10857), (3003, 10481), (3619, 8697), (4277, 7359), (4683, 6721)]