290432745

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{21023}}^1$

素因数の和:21341

約数の個数: 24

約数和(自身を含む): 505080576

約数和(自身を除く): 214647831

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2763, 4605, 13815, 21023, 63069, 105115, 189207, 315345, 946035, 6454061, 19362183, 32270305, 58086549, 96810915, 290432745]

約数ペア:

[(1, 290432745), (3, 96810915), (5, 58086549), (9, 32270305), (15, 19362183), (45, 6454061), (307, 946035), (921, 315345), (1535, 189207), (2763, 105115), (4605, 63069), (13815, 21023)]