49781745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 95135040

約数和(自身を除く): 45353295

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 1979, 2795, 5031, 5937, 8385, 9895, 17811, 25155, 25727, 29685, 77181, 85097, 89055, 128635, 231543, 255291, 385905, 425485, 765873, 1106261, 1157715, 1276455, 3318783, 3829365, 5531305, 9956349, 16593915, 49781745]

約数ペア:

[(1, 49781745), (3, 16593915), (5, 9956349), (9, 5531305), (13, 3829365), (15, 3318783), (39, 1276455), (43, 1157715), (45, 1106261), (65, 765873), (117, 425485), (129, 385905), (195, 255291), (215, 231543), (387, 128635), (559, 89055), (585, 85097), (645, 77181), (1677, 29685), (1935, 25727), (1979, 25155), (2795, 17811), (5031, 9895), (5937, 8385)]