8021895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 15444480

約数和(自身を除く): 7422585

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4021, 12063, 20105, 28147, 60315, 76399, 84441, 140735, 229197, 381995, 422205, 534793, 1145985, 1604379, 2673965, 8021895]

約数ペア:

[(1, 8021895), (3, 2673965), (5, 1604379), (7, 1145985), (15, 534793), (19, 422205), (21, 381995), (35, 229197), (57, 140735), (95, 84441), (105, 76399), (133, 60315), (285, 28147), (399, 20105), (665, 12063), (1995, 4021)]