16388469

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 25084800

約数和(自身を除く): 8696331

約数列:

[1, 3, 9, 19, 57, 171, 239, 401, 717, 1203, 2151, 3609, 4541, 7619, 13623, 22857, 40869, 68571, 95839, 287517, 862551, 1820941, 5462823, 16388469]

約数ペア:

[(1, 16388469), (3, 5462823), (9, 1820941), (19, 862551), (57, 287517), (171, 95839), (239, 68571), (401, 40869), (717, 22857), (1203, 13623), (2151, 7619), (3609, 4541)]