7321425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 12951552

約数和(自身を除く): 5630127

約数列:

[1, 3, 5, 15, 25, 31, 47, 67, 75, 93, 141, 155, 201, 235, 335, 465, 705, 775, 1005, 1175, 1457, 1675, 2077, 2325, 3149, 3525, 4371, 5025, 6231, 7285, 9447, 10385, 15745, 21855, 31155, 36425, 47235, 51925, 78725, 97619, 109275, 155775, 236175, 292857, 488095, 1464285, 2440475, 7321425]

約数ペア:

[(1, 7321425), (3, 2440475), (5, 1464285), (15, 488095), (25, 292857), (31, 236175), (47, 155775), (67, 109275), (75, 97619), (93, 78725), (141, 51925), (155, 47235), (201, 36425), (235, 31155), (335, 21855), (465, 15745), (705, 10385), (775, 9447), (1005, 7285), (1175, 6231), (1457, 5025), (1675, 4371), (2077, 3525), (2325, 3149)]