389662785

素因数分解:

$3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9281}}^1$

素因数の和:9606

約数の個数: 32

約数和(自身を含む): 695036160

約数和(自身を除く): 305373375

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 311, 933, 1555, 2799, 4665, 8397, 9281, 13995, 27843, 41985, 46405, 83529, 139215, 250587, 417645, 1252935, 2886391, 8659173, 14431955, 25977519, 43295865, 77932557, 129887595, 389662785]

約数ペア:

[(1, 389662785), (3, 129887595), (5, 77932557), (9, 43295865), (15, 25977519), (27, 14431955), (45, 8659173), (135, 2886391), (311, 1252935), (933, 417645), (1555, 250587), (2799, 139215), (4665, 83529), (8397, 46405), (9281, 41985), (13995, 27843)]