25452819

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 43453440

約数和(自身を除く): 18000621

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 983, 1233, 2877, 2949, 3699, 6881, 8631, 8847, 20643, 25893, 26541, 61929, 134671, 185787, 404013, 942697, 1212039, 2828091, 3636117, 8484273, 25452819]

約数ペア:

[(1, 25452819), (3, 8484273), (7, 3636117), (9, 2828091), (21, 1212039), (27, 942697), (63, 404013), (137, 185787), (189, 134671), (411, 61929), (959, 26541), (983, 25893), (1233, 20643), (2877, 8847), (2949, 8631), (3699, 6881)]