18428025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3191}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 19569543

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3191, 5775, 9573, 15955, 22337, 35101, 47865, 67011, 79775, 105303, 111685, 175505, 239325, 245707, 335055, 526515, 558425, 737121, 877525, 1228535, 1675275, 2632575, 3685605, 6142675, 18428025]

約数ペア:

[(1, 18428025), (3, 6142675), (5, 3685605), (7, 2632575), (11, 1675275), (15, 1228535), (21, 877525), (25, 737121), (33, 558425), (35, 526515), (55, 335055), (75, 245707), (77, 239325), (105, 175505), (165, 111685), (175, 105303), (231, 79775), (275, 67011), (385, 47865), (525, 35101), (825, 22337), (1155, 15955), (1925, 9573), (3191, 5775)]