64607715

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 115850592

約数和(自身を除く): 51242877

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 173, 193, 215, 387, 519, 579, 645, 865, 965, 1557, 1737, 1935, 2595, 2895, 7439, 7785, 8299, 8685, 22317, 24897, 33389, 37195, 41495, 66951, 74691, 100167, 111585, 124485, 166945, 300501, 334755, 373455, 500835, 1435727, 1502505, 4307181, 7178635, 12921543, 21535905, 64607715]

約数ペア:

[(1, 64607715), (3, 21535905), (5, 12921543), (9, 7178635), (15, 4307181), (43, 1502505), (45, 1435727), (129, 500835), (173, 373455), (193, 334755), (215, 300501), (387, 166945), (519, 124485), (579, 111585), (645, 100167), (865, 74691), (965, 66951), (1557, 41495), (1737, 37195), (1935, 33389), (2595, 24897), (2895, 22317), (7439, 8685), (7785, 8299)]