15491925

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 29016000

約数和(自身を除く): 13524075

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 389, 531, 675, 885, 1167, 1475, 1593, 1945, 2655, 3501, 4425, 5835, 7965, 9725, 10503, 13275, 17505, 22951, 29175, 39825, 52515, 68853, 87525, 114755, 206559, 262575, 344265, 573775, 619677, 1032795, 1721325, 3098385, 5163975, 15491925]

約数ペア:

[(1, 15491925), (3, 5163975), (5, 3098385), (9, 1721325), (15, 1032795), (25, 619677), (27, 573775), (45, 344265), (59, 262575), (75, 206559), (135, 114755), (177, 87525), (225, 68853), (295, 52515), (389, 39825), (531, 29175), (675, 22951), (885, 17505), (1167, 13275), (1475, 10503), (1593, 9725), (1945, 7965), (2655, 5835), (3501, 4425)]