1619865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 3162240

約数和(自身を除く): 1542375

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 169, 195, 213, 351, 355, 507, 585, 639, 845, 923, 1065, 1521, 1755, 1917, 2535, 2769, 3195, 4563, 4615, 7605, 8307, 9585, 11999, 13845, 22815, 24921, 35997, 41535, 59995, 107991, 124605, 179985, 323973, 539955, 1619865]

約数ペア:

[(1, 1619865), (3, 539955), (5, 323973), (9, 179985), (13, 124605), (15, 107991), (27, 59995), (39, 41535), (45, 35997), (65, 24921), (71, 22815), (117, 13845), (135, 11999), (169, 9585), (195, 8307), (213, 7605), (351, 4615), (355, 4563), (507, 3195), (585, 2769), (639, 2535), (845, 1917), (923, 1755), (1065, 1521)]