25390809

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 39042432

約数和(自身を除く): 13651623

約数列:

[1, 3, 9, 17, 51, 153, 263, 631, 789, 1893, 2367, 4471, 5679, 10727, 13413, 32181, 40239, 96543, 165953, 497859, 1493577, 2821201, 8463603, 25390809]

約数ペア:

[(1, 25390809), (3, 8463603), (9, 2821201), (17, 1493577), (51, 497859), (153, 165953), (263, 96543), (631, 40239), (789, 32181), (1893, 13413), (2367, 10727), (4471, 5679)]