15921231

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1187}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 22581504

約数和(自身を除く): 6660273

約数列:

[1, 3, 17, 51, 263, 789, 1187, 3561, 4471, 13413, 20179, 60537, 312181, 936543, 5307077, 15921231]

約数ペア:

[(1, 15921231), (3, 5307077), (17, 936543), (51, 312181), (263, 60537), (789, 20179), (1187, 13413), (3561, 4471)]