4351815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 8360352

約数和(自身を除く): 4008537

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 173, 195, 215, 387, 519, 559, 585, 645, 865, 1557, 1677, 1935, 2249, 2595, 2795, 5031, 6747, 7439, 7785, 8385, 11245, 20241, 22317, 25155, 33735, 37195, 66951, 96707, 101205, 111585, 290121, 334755, 483535, 870363, 1450605, 4351815]

約数ペア:

[(1, 4351815), (3, 1450605), (5, 870363), (9, 483535), (13, 334755), (15, 290121), (39, 111585), (43, 101205), (45, 96707), (65, 66951), (117, 37195), (129, 33735), (173, 25155), (195, 22317), (215, 20241), (387, 11245), (519, 8385), (559, 7785), (585, 7439), (645, 6747), (865, 5031), (1557, 2795), (1677, 2595), (1935, 2249)]