156966903

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{4603}}^1$

素因数の和:5036

約数の個数: 20

約数和(自身を含む): 235089448

約数和(自身を除く): 78122545

約数列:

[1, 3, 9, 27, 81, 421, 1263, 3789, 4603, 11367, 13809, 34101, 41427, 124281, 372843, 1937863, 5813589, 17440767, 52322301, 156966903]

約数ペア:

[(1, 156966903), (3, 52322301), (9, 17440767), (27, 5813589), (81, 1937863), (421, 372843), (1263, 124281), (3789, 41427), (4603, 34101), (11367, 13809)]