815745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 1582848

約数和(自身を除く): 767103

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 457, 595, 1371, 1785, 2285, 3199, 6855, 7769, 9597, 15995, 23307, 38845, 47985, 54383, 116535, 163149, 271915, 815745]

約数ペア:

[(1, 815745), (3, 271915), (5, 163149), (7, 116535), (15, 54383), (17, 47985), (21, 38845), (35, 23307), (51, 15995), (85, 9597), (105, 7769), (119, 6855), (255, 3199), (357, 2285), (457, 1785), (595, 1371)]