7985985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4037

約数の個数: 32

約数和(自身を含む): 15375360

約数和(自身を除く): 7389375

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4003, 12009, 20015, 28021, 60045, 76057, 84063, 140105, 228171, 380285, 420315, 532399, 1140855, 1597197, 2661995, 7985985]

約数ペア:

[(1, 7985985), (3, 2661995), (5, 1597197), (7, 1140855), (15, 532399), (19, 420315), (21, 380285), (35, 228171), (57, 140105), (95, 84063), (105, 76057), (133, 60045), (285, 28021), (399, 20015), (665, 12009), (1995, 4003)]