16984005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 12875835

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2591, 6555, 7773, 12955, 38865, 49229, 59593, 147687, 178779, 246145, 297965, 738435, 893895, 1132267, 3396801, 5661335, 16984005]

約数ペア:

[(1, 16984005), (3, 5661335), (5, 3396801), (15, 1132267), (19, 893895), (23, 738435), (57, 297965), (69, 246145), (95, 178779), (115, 147687), (285, 59593), (345, 49229), (437, 38865), (1311, 12955), (2185, 7773), (2591, 6555)]