1215205845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{112363}}^1$

素因数の和:112481

約数の個数: 32

約数和(自身を含む): 2243684352

約数和(自身を除く): 1028478507

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 112363, 337089, 561815, 786541, 1685445, 2359623, 3932705, 11573389, 11798115, 34720167, 57866945, 81013723, 173600835, 243041169, 405068615, 1215205845]

約数ペア:

[(1, 1215205845), (3, 405068615), (5, 243041169), (7, 173600835), (15, 81013723), (21, 57866945), (35, 34720167), (103, 11798115), (105, 11573389), (309, 3932705), (515, 2359623), (721, 1685445), (1545, 786541), (2163, 561815), (3605, 337089), (10815, 112363)]