1900371699

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{263611}}^1$

素因数の和:263712

約数の個数: 20

約数和(自身を含む): 2870734680

約数和(自身を除く): 970362981

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 263611, 790833, 2372499, 7117497, 21352491, 23461379, 70384137, 211152411, 633457233, 1900371699]

約数ペア:

[(1, 1900371699), (3, 633457233), (9, 211152411), (27, 70384137), (81, 23461379), (89, 21352491), (267, 7117497), (801, 2372499), (2403, 790833), (7209, 263611)]