2399985

素因数分解:

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

素因数の和:438

約数の個数: 48

約数和(自身を含む): 5016960

約数和(自身を除く): 2616975

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 401, 665, 855, 1197, 1203, 1995, 2005, 2807, 3609, 5985, 6015, 7619, 8421, 14035, 18045, 22857, 25263, 38095, 42105, 53333, 68571, 114285, 126315, 159999, 266665, 342855, 479997, 799995, 2399985]

約数ペア:

[(1, 2399985), (3, 799995), (5, 479997), (7, 342855), (9, 266665), (15, 159999), (19, 126315), (21, 114285), (35, 68571), (45, 53333), (57, 42105), (63, 38095), (95, 25263), (105, 22857), (133, 18045), (171, 14035), (285, 8421), (315, 7619), (399, 6015), (401, 5985), (665, 3609), (855, 2807), (1197, 2005), (1203, 1995)]