27988605

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1373}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 50123520

約数和(自身を除く): 22134915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1359, 1373, 2265, 4077, 4119, 6795, 6865, 12357, 20385, 20595, 37071, 61785, 185355, 207323, 621969, 1036615, 1865907, 3109845, 5597721, 9329535, 27988605]

約数ペア:

[(1, 27988605), (3, 9329535), (5, 5597721), (9, 3109845), (15, 1865907), (27, 1036615), (45, 621969), (135, 207323), (151, 185355), (453, 61785), (755, 37071), (1359, 20595), (1373, 20385), (2265, 12357), (4077, 6865), (4119, 6795)]