28881645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 51123072

約数和(自身を除く): 22241427

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 4003, 7215, 12009, 20015, 52039, 60045, 148111, 156117, 260195, 444333, 740555, 780585, 1925443, 2221665, 5776329, 9627215, 28881645]

約数ペア:

[(1, 28881645), (3, 9627215), (5, 5776329), (13, 2221665), (15, 1925443), (37, 780585), (39, 740555), (65, 444333), (111, 260195), (185, 156117), (195, 148111), (481, 60045), (555, 52039), (1443, 20015), (2405, 12009), (4003, 7215)]