28621749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 14125515

約数列:

[1, 3, 13, 39, 53, 61, 159, 183, 227, 681, 689, 793, 2067, 2379, 2951, 3233, 8853, 9699, 12031, 13847, 36093, 41541, 42029, 126087, 156403, 180011, 469209, 540033, 733891, 2201673, 9540583, 28621749]

約数ペア:

[(1, 28621749), (3, 9540583), (13, 2201673), (39, 733891), (53, 540033), (61, 469209), (159, 180011), (183, 156403), (227, 126087), (681, 42029), (689, 41541), (793, 36093), (2067, 13847), (2379, 12031), (2951, 9699), (3233, 8853)]