15937221489

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{75793}}^1$

素因数の和:75870

約数の個数: 64

約数和(自身を含む): 27940700160

約数和(自身を除く): 12003478671

約数列:

[1, 3, 7, 17, 19, 21, 31, 51, 57, 93, 119, 133, 217, 323, 357, 399, 527, 589, 651, 969, 1581, 1767, 2261, 3689, 4123, 6783, 10013, 11067, 12369, 30039, 70091, 75793, 210273, 227379, 530551, 1288481, 1440067, 1591653, 2349583, 3865443, 4320201, 7048749, 9019367, 10080469, 16447081, 24481139, 27058101, 30241407, 39942911, 44642077, 49341243, 73443417, 119828733, 133926231, 171367973, 279600377, 312494539, 514103919, 758915309, 838801131, 937483617, 2276745927, 5312407163, 15937221489]

約数ペア:

[(1, 15937221489), (3, 5312407163), (7, 2276745927), (17, 937483617), (19, 838801131), (21, 758915309), (31, 514103919), (51, 312494539), (57, 279600377), (93, 171367973), (119, 133926231), (133, 119828733), (217, 73443417), (323, 49341243), (357, 44642077), (399, 39942911), (527, 30241407), (589, 27058101), (651, 24481139), (969, 16447081), (1581, 10080469), (1767, 9019367), (2261, 7048749), (3689, 4320201), (4123, 3865443), (6783, 2349583), (10013, 1591653), (11067, 1440067), (12369, 1288481), (30039, 530551), (70091, 227379), (75793, 210273)]