81532575

素因数分解:

$3^5\times 5^2\times {\mathrm{13421}}^1$

素因数の和:13446

約数の個数: 36

約数和(自身を含む): 151453848

約数和(自身を除く): 69921273

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 13421, 40263, 67105, 120789, 201315, 335525, 362367, 603945, 1006575, 1087101, 1811835, 3019725, 3261303, 5435505, 9059175, 16306515, 27177525, 81532575]

約数ペア:

[(1, 81532575), (3, 27177525), (5, 16306515), (9, 9059175), (15, 5435505), (25, 3261303), (27, 3019725), (45, 1811835), (75, 1087101), (81, 1006575), (135, 603945), (225, 362367), (243, 335525), (405, 201315), (675, 120789), (1215, 67105), (2025, 40263), (6075, 13421)]