156967713

素因数分解:

$3^4\times 7^1\times {\mathrm{276839}}^1$

素因数の和:276858

約数の個数: 20

約数和(自身を含む): 267981120

約数和(自身を除く): 111013407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 276839, 830517, 1937873, 2491551, 5813619, 7474653, 17440857, 22423959, 52322571, 156967713]

約数ペア:

[(1, 156967713), (3, 52322571), (7, 22423959), (9, 17440857), (21, 7474653), (27, 5813619), (63, 2491551), (81, 1937873), (189, 830517), (567, 276839)]