16991997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1297}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 24796992

約数和(自身を除く): 7804995

約数列:

[1, 3, 11, 33, 397, 1191, 1297, 3891, 4367, 13101, 14267, 42801, 514909, 1544727, 5663999, 16991997]

約数ペア:

[(1, 16991997), (3, 5663999), (11, 1544727), (33, 514909), (397, 42801), (1191, 14267), (1297, 13101), (3891, 4367)]