18742725

素因数分解:

$3^3\times 5^2\times {\mathrm{27767}}^1$

素因数の和:27786

約数の個数: 24

約数和(自身を含む): 34432320

約数和(自身を除く): 15689595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27767, 83301, 138835, 249903, 416505, 694175, 749709, 1249515, 2082525, 3748545, 6247575, 18742725]

約数ペア:

[(1, 18742725), (3, 6247575), (5, 3748545), (9, 2082525), (15, 1249515), (25, 749709), (27, 694175), (45, 416505), (75, 249903), (135, 138835), (225, 83301), (675, 27767)]