378765

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 692640

約数和(自身を除く): 313875

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 443, 855, 1329, 2215, 3987, 6645, 8417, 19935, 25251, 42085, 75753, 126255, 378765]

約数ペア:

[(1, 378765), (3, 126255), (5, 75753), (9, 42085), (15, 25251), (19, 19935), (45, 8417), (57, 6645), (95, 3987), (171, 2215), (285, 1329), (443, 855)]