3999975

素因数分解:

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

素因数の和:440

約数の個数: 48

約数和(自身を含む): 7975680

約数和(自身を除く): 3975705

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 401, 475, 525, 665, 1203, 1425, 1995, 2005, 2807, 3325, 6015, 7619, 8421, 9975, 10025, 14035, 22857, 30075, 38095, 42105, 53333, 70175, 114285, 159999, 190475, 210525, 266665, 571425, 799995, 1333325, 3999975]

約数ペア:

[(1, 3999975), (3, 1333325), (5, 799995), (7, 571425), (15, 266665), (19, 210525), (21, 190475), (25, 159999), (35, 114285), (57, 70175), (75, 53333), (95, 42105), (105, 38095), (133, 30075), (175, 22857), (285, 14035), (399, 10025), (401, 9975), (475, 8421), (525, 7619), (665, 6015), (1203, 3325), (1425, 2807), (1995, 2005)]