20183175

素因数分解:

$3^4\times 5^2\times {\mathrm{9967}}^1$

素因数の和:9989

約数の個数: 30

約数和(自身を含む): 37389968

約数和(自身を除く): 17206793

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9967, 29901, 49835, 89703, 149505, 249175, 269109, 448515, 747525, 807327, 1345545, 2242575, 4036635, 6727725, 20183175]

約数ペア:

[(1, 20183175), (3, 6727725), (5, 4036635), (9, 2242575), (15, 1345545), (25, 807327), (27, 747525), (45, 448515), (75, 269109), (81, 249175), (135, 149505), (225, 89703), (405, 49835), (675, 29901), (2025, 9967)]