670556991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 977296320

約数和(自身を除く): 306739329

約数列:

[1, 3, 13, 39, 109, 233, 327, 677, 699, 1417, 2031, 3029, 4251, 8801, 9087, 25397, 26403, 73793, 76191, 157741, 221379, 330161, 473223, 959309, 990483, 2050633, 2877927, 6151899, 17193769, 51581307, 223518997, 670556991]

約数ペア:

[(1, 670556991), (3, 223518997), (13, 51581307), (39, 17193769), (109, 6151899), (233, 2877927), (327, 2050633), (677, 990483), (699, 959309), (1417, 473223), (2031, 330161), (3029, 221379), (4251, 157741), (8801, 76191), (9087, 73793), (25397, 26403)]