188789697

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 288928640

約数和(自身を除く): 100138943

約数列:

[1, 3, 9, 27, 79, 81, 163, 181, 237, 489, 543, 711, 1467, 1629, 2133, 4401, 4887, 6399, 12877, 13203, 14299, 14661, 29503, 38631, 42897, 88509, 115893, 128691, 265527, 347679, 386073, 796581, 1043037, 1158219, 2330737, 2389743, 6992211, 20976633, 62929899, 188789697]

約数ペア:

[(1, 188789697), (3, 62929899), (9, 20976633), (27, 6992211), (79, 2389743), (81, 2330737), (163, 1158219), (181, 1043037), (237, 796581), (489, 386073), (543, 347679), (711, 265527), (1467, 128691), (1629, 115893), (2133, 88509), (4401, 42897), (4887, 38631), (6399, 29503), (12877, 14661), (13203, 14299)]