201920915

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{12301}}^1$

素因数の和:12387

約数の個数: 24

約数和(自身を含む): 286095312

約数和(自身を除く): 84174397

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 2345, 3283, 12301, 16415, 61505, 86107, 430535, 602749, 824167, 3013745, 4120835, 5769169, 28845845, 40384183, 201920915]

約数ペア:

[(1, 201920915), (5, 40384183), (7, 28845845), (35, 5769169), (49, 4120835), (67, 3013745), (245, 824167), (335, 602749), (469, 430535), (2345, 86107), (3283, 61505), (12301, 16415)]