4155975

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 7856640

約数和(自身を除く): 3700665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 131, 135, 141, 225, 235, 393, 423, 655, 675, 705, 1175, 1179, 1269, 1965, 2115, 3275, 3525, 3537, 5895, 6157, 6345, 9825, 10575, 17685, 18471, 29475, 30785, 31725, 55413, 88425, 92355, 153925, 166239, 277065, 461775, 831195, 1385325, 4155975]

約数ペア:

[(1, 4155975), (3, 1385325), (5, 831195), (9, 461775), (15, 277065), (25, 166239), (27, 153925), (45, 92355), (47, 88425), (75, 55413), (131, 31725), (135, 30785), (141, 29475), (225, 18471), (235, 17685), (393, 10575), (423, 9825), (655, 6345), (675, 6157), (705, 5895), (1175, 3537), (1179, 3525), (1269, 3275), (1965, 2115)]