312819915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{21701}}^1$

素因数の和:21771

約数の個数: 24

約数和(自身を含む): 517202064

約数和(自身を除く): 204382149

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 2883, 4805, 14415, 21701, 65103, 108505, 325515, 672731, 2018193, 3363655, 10090965, 20854661, 62563983, 104273305, 312819915]

約数ペア:

[(1, 312819915), (3, 104273305), (5, 62563983), (15, 20854661), (31, 10090965), (93, 3363655), (155, 2018193), (465, 672731), (961, 325515), (2883, 108505), (4805, 65103), (14415, 21701)]