18117675

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 60

約数和(自身を含む): 35109360

約数和(自身を除く): 16991685

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 389, 405, 575, 621, 675, 1035, 1167, 1725, 1863, 1945, 2025, 3105, 3501, 5175, 5835, 8947, 9315, 9725, 10503, 15525, 17505, 26841, 29175, 31509, 44735, 46575, 52515, 80523, 87525, 134205, 157545, 223675, 241569, 262575, 402615, 671025, 724707, 787725, 1207845, 2013075, 3623535, 6039225, 18117675]

約数ペア:

[(1, 18117675), (3, 6039225), (5, 3623535), (9, 2013075), (15, 1207845), (23, 787725), (25, 724707), (27, 671025), (45, 402615), (69, 262575), (75, 241569), (81, 223675), (115, 157545), (135, 134205), (207, 87525), (225, 80523), (345, 52515), (389, 46575), (405, 44735), (575, 31509), (621, 29175), (675, 26841), (1035, 17505), (1167, 15525), (1725, 10503), (1863, 9725), (1945, 9315), (2025, 8947), (3105, 5835), (3501, 5175)]