11999925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 25920960

約数和(自身を除く): 13921035

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 401, 475, 525, 665, 855, 1197, 1203, 1425, 1575, 1995, 2005, 2807, 3325, 3609, 4275, 5985, 6015, 7619, 8421, 9975, 10025, 14035, 18045, 22857, 25263, 29925, 30075, 38095, 42105, 53333, 68571, 70175, 90225, 114285, 126315, 159999, 190475, 210525, 266665, 342855, 479997, 571425, 631575, 799995, 1333325, 1714275, 2399985, 3999975, 11999925]

約数ペア:

[(1, 11999925), (3, 3999975), (5, 2399985), (7, 1714275), (9, 1333325), (15, 799995), (19, 631575), (21, 571425), (25, 479997), (35, 342855), (45, 266665), (57, 210525), (63, 190475), (75, 159999), (95, 126315), (105, 114285), (133, 90225), (171, 70175), (175, 68571), (225, 53333), (285, 42105), (315, 38095), (399, 30075), (401, 29925), (475, 25263), (525, 22857), (665, 18045), (855, 14035), (1197, 10025), (1203, 9975), (1425, 8421), (1575, 7619), (1995, 6015), (2005, 5985), (2807, 4275), (3325, 3609)]