278330481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{216263}}^1$

素因数の和:216293

約数の個数: 24

約数和(自身を含む): 472320576

約数和(自身を除く): 193990095

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 216263, 648789, 1946367, 2378893, 2811419, 7136679, 8434257, 21410037, 25302771, 30925609, 92776827, 278330481]

約数ペア:

[(1, 278330481), (3, 92776827), (9, 30925609), (11, 25302771), (13, 21410037), (33, 8434257), (39, 7136679), (99, 2811419), (117, 2378893), (143, 1946367), (429, 648789), (1287, 216263)]