18877725

素因数分解:

$3^3\times 5^2\times {\mathrm{27967}}^1$

素因数の和:27986

約数の個数: 24

約数和(自身を含む): 34680320

約数和(自身を除く): 15802595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27967, 83901, 139835, 251703, 419505, 699175, 755109, 1258515, 2097525, 3775545, 6292575, 18877725]

約数ペア:

[(1, 18877725), (3, 6292575), (5, 3775545), (9, 2097525), (15, 1258515), (25, 755109), (27, 699175), (45, 419505), (75, 251703), (135, 139835), (225, 83901), (675, 27967)]