20125559997

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{422797}}^1$

素因数の和:422890

約数の個数: 32

約数和(自身を含む): 31253228160

約数和(自身を除く): 11127668163

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 1107, 1161, 1763, 5289, 15867, 47601, 422797, 1268391, 3805173, 11415519, 17334677, 18180271, 52004031, 54540813, 156012093, 163622439, 468036279, 490867317, 745391111, 2236173333, 6708519999, 20125559997]

約数ペア:

[(1, 20125559997), (3, 6708519999), (9, 2236173333), (27, 745391111), (41, 490867317), (43, 468036279), (123, 163622439), (129, 156012093), (369, 54540813), (387, 52004031), (1107, 18180271), (1161, 17334677), (1763, 11415519), (5289, 3805173), (15867, 1268391), (47601, 422797)]