7215117

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 12648960

約数和(自身を除く): 5433843

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 107, 133, 169, 247, 273, 321, 399, 507, 741, 749, 1183, 1391, 1729, 2033, 2247, 3211, 3549, 4173, 5187, 6099, 9633, 9737, 14231, 18083, 22477, 26429, 29211, 42693, 54249, 67431, 79287, 126581, 185003, 343577, 379743, 555009, 1030731, 2405039, 7215117]

約数ペア:

[(1, 7215117), (3, 2405039), (7, 1030731), (13, 555009), (19, 379743), (21, 343577), (39, 185003), (57, 126581), (91, 79287), (107, 67431), (133, 54249), (169, 42693), (247, 29211), (273, 26429), (321, 22477), (399, 18083), (507, 14231), (741, 9737), (749, 9633), (1183, 6099), (1391, 5187), (1729, 4173), (2033, 3549), (2247, 3211)]