123996825

素因数分解:

$3^5\times 5^2\times {\mathrm{20411}}^1$

素因数の和:20436

約数の個数: 36

約数和(自身を含む): 230329008

約数和(自身を除く): 106332183

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 20411, 61233, 102055, 183699, 306165, 510275, 551097, 918495, 1530825, 1653291, 2755485, 4592475, 4959873, 8266455, 13777425, 24799365, 41332275, 123996825]

約数ペア:

[(1, 123996825), (3, 41332275), (5, 24799365), (9, 13777425), (15, 8266455), (25, 4959873), (27, 4592475), (45, 2755485), (75, 1653291), (81, 1530825), (135, 918495), (225, 551097), (243, 510275), (405, 306165), (675, 183699), (1215, 102055), (2025, 61233), (6075, 20411)]