18758628891

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{90007}}^1$

素因数の和:90133

約数の個数: 40

約数和(自身を含む): 29274921984

約数和(自身を除く): 10516293093

約数列:

[1, 3, 9, 27, 31, 81, 83, 93, 249, 279, 747, 837, 2241, 2511, 2573, 6723, 7719, 23157, 69471, 90007, 208413, 270021, 810063, 2430189, 2790217, 7290567, 7470581, 8370651, 22411743, 25111953, 67235229, 75335859, 201705687, 226007577, 231588011, 605117061, 694764033, 2084292099, 6252876297, 18758628891]

約数ペア:

[(1, 18758628891), (3, 6252876297), (9, 2084292099), (27, 694764033), (31, 605117061), (81, 231588011), (83, 226007577), (93, 201705687), (249, 75335859), (279, 67235229), (747, 25111953), (837, 22411743), (2241, 8370651), (2511, 7470581), (2573, 7290567), (6723, 2790217), (7719, 2430189), (23157, 810063), (69471, 270021), (90007, 208413)]