1021567209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{1579}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 1500266880

約数和(自身を除く): 478699671

約数列:

[1, 3, 13, 39, 53, 159, 313, 689, 939, 1579, 2067, 4069, 4737, 12207, 16589, 20527, 49767, 61581, 83687, 215657, 251061, 494227, 646971, 1087931, 1482681, 3263793, 6424951, 19274853, 26194031, 78582093, 340522403, 1021567209]

約数ペア:

[(1, 1021567209), (3, 340522403), (13, 78582093), (39, 26194031), (53, 19274853), (159, 6424951), (313, 3263793), (689, 1482681), (939, 1087931), (1579, 646971), (2067, 494227), (4069, 251061), (4737, 215657), (12207, 83687), (16589, 61581), (20527, 49767)]