66840975

素因数分解:

$3^2\times 5^2\times {\mathrm{419}}^1\times {\mathrm{709}}^1$

素因数の和:1144

約数の個数: 36

約数和(自身を含む): 120174600

約数和(自身を除く): 53333625

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 419, 709, 1257, 2095, 2127, 3545, 3771, 6285, 6381, 10475, 10635, 17725, 18855, 31425, 31905, 53175, 94275, 159525, 297071, 891213, 1485355, 2673639, 4456065, 7426775, 13368195, 22280325, 66840975]

約数ペア:

[(1, 66840975), (3, 22280325), (5, 13368195), (9, 7426775), (15, 4456065), (25, 2673639), (45, 1485355), (75, 891213), (225, 297071), (419, 159525), (709, 94275), (1257, 53175), (2095, 31905), (2127, 31425), (3545, 18855), (3771, 17725), (6285, 10635), (6381, 10475)]