391569309

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 646972480

約数和(自身を除く): 255403171

約数列:

[1, 3, 9, 19, 27, 43, 57, 61, 81, 97, 129, 171, 183, 291, 387, 513, 549, 817, 873, 1159, 1161, 1539, 1647, 1843, 2451, 2619, 2623, 3477, 3483, 4171, 4941, 5529, 5917, 7353, 7857, 7869, 10431, 12513, 16587, 17751, 22059, 23607, 31293, 37539, 49761, 49837, 53253, 66177, 70821, 79249, 93879, 112423, 112617, 149283, 149511, 159759, 212463, 237747, 254431, 337269, 337851, 448533, 479277, 713241, 763293, 1011807, 1345599, 2139723, 2289879, 3035421, 4036797, 4834189, 6419169, 6869637, 9106263, 14502567, 20608911, 43507701, 130523103, 391569309]

約数ペア:

[(1, 391569309), (3, 130523103), (9, 43507701), (19, 20608911), (27, 14502567), (43, 9106263), (57, 6869637), (61, 6419169), (81, 4834189), (97, 4036797), (129, 3035421), (171, 2289879), (183, 2139723), (291, 1345599), (387, 1011807), (513, 763293), (549, 713241), (817, 479277), (873, 448533), (1159, 337851), (1161, 337269), (1539, 254431), (1647, 237747), (1843, 212463), (2451, 159759), (2619, 149511), (2623, 149283), (3477, 112617), (3483, 112423), (4171, 93879), (4941, 79249), (5529, 70821), (5917, 66177), (7353, 53253), (7857, 49837), (7869, 49761), (10431, 37539), (12513, 31293), (16587, 23607), (17751, 22059)]