2861313

素因数分解:

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

素因数の和:293

約数の個数: 32

約数和(自身を含む): 4816896

約数和(自身を除く): 1955583

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 223, 273, 329, 611, 669, 987, 1561, 1833, 2899, 4277, 4683, 8697, 10481, 12831, 20293, 31443, 60879, 73367, 136253, 220101, 408759, 953771, 2861313]

約数ペア:

[(1, 2861313), (3, 953771), (7, 408759), (13, 220101), (21, 136253), (39, 73367), (47, 60879), (91, 31443), (141, 20293), (223, 12831), (273, 10481), (329, 8697), (611, 4683), (669, 4277), (987, 2899), (1561, 1833)]