201178575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 392231840

約数和(自身を除く): 191053265

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 109, 117, 195, 225, 325, 327, 545, 585, 631, 975, 981, 1417, 1635, 1893, 2725, 2925, 3155, 4251, 4905, 5679, 7085, 8175, 8203, 9465, 12753, 15775, 21255, 24525, 24609, 28395, 35425, 41015, 47325, 63765, 68779, 73827, 106275, 123045, 141975, 205075, 206337, 318825, 343895, 369135, 615225, 619011, 894127, 1031685, 1719475, 1845675, 2682381, 3095055, 4470635, 5158425, 8047143, 13411905, 15475275, 22353175, 40235715, 67059525, 201178575]

約数ペア:

[(1, 201178575), (3, 67059525), (5, 40235715), (9, 22353175), (13, 15475275), (15, 13411905), (25, 8047143), (39, 5158425), (45, 4470635), (65, 3095055), (75, 2682381), (109, 1845675), (117, 1719475), (195, 1031685), (225, 894127), (325, 619011), (327, 615225), (545, 369135), (585, 343895), (631, 318825), (975, 206337), (981, 205075), (1417, 141975), (1635, 123045), (1893, 106275), (2725, 73827), (2925, 68779), (3155, 63765), (4251, 47325), (4905, 41015), (5679, 35425), (7085, 28395), (8175, 24609), (8203, 24525), (9465, 21255), (12753, 15775)]