193687695

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 345945600

約数和(自身を除く): 152257905

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 199, 215, 387, 503, 597, 645, 995, 1509, 1791, 1935, 2515, 2985, 4527, 7545, 8557, 8955, 21629, 22635, 25671, 42785, 64887, 77013, 100097, 108145, 128355, 194661, 300291, 324435, 385065, 500485, 900873, 973305, 1501455, 4304171, 4504365, 12912513, 21520855, 38737539, 64562565, 193687695]

約数ペア:

[(1, 193687695), (3, 64562565), (5, 38737539), (9, 21520855), (15, 12912513), (43, 4504365), (45, 4304171), (129, 1501455), (199, 973305), (215, 900873), (387, 500485), (503, 385065), (597, 324435), (645, 300291), (995, 194661), (1509, 128355), (1791, 108145), (1935, 100097), (2515, 77013), (2985, 64887), (4527, 42785), (7545, 25671), (8557, 22635), (8955, 21629)]