81210708

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20323}}^1$

素因数の和:20373

約数の個数: 48

約数和(自身を含む): 216247360

約数和(自身を除く): 135036652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20323, 40646, 60969, 81292, 121938, 182907, 243876, 365814, 548721, 731628, 751951, 1097442, 1503902, 2194884, 2255853, 3007804, 4511706, 6767559, 9023412, 13535118, 20302677, 27070236, 40605354, 81210708]

約数ペア:

[(1, 81210708), (2, 40605354), (3, 27070236), (4, 20302677), (6, 13535118), (9, 9023412), (12, 6767559), (18, 4511706), (27, 3007804), (36, 2255853), (37, 2194884), (54, 1503902), (74, 1097442), (108, 751951), (111, 731628), (148, 548721), (222, 365814), (333, 243876), (444, 182907), (666, 121938), (999, 81292), (1332, 60969), (1998, 40646), (3996, 20323)]