16987329

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 25450880

約数和(自身を除く): 8463551

約数列:

[1, 3, 9, 37, 111, 139, 333, 367, 417, 1101, 1251, 3303, 5143, 13579, 15429, 40737, 46287, 51013, 122211, 153039, 459117, 1887481, 5662443, 16987329]

約数ペア:

[(1, 16987329), (3, 5662443), (9, 1887481), (37, 459117), (111, 153039), (139, 122211), (333, 51013), (367, 46287), (417, 40737), (1101, 15429), (1251, 13579), (3303, 5143)]