201213765

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6911}}^1$

素因数の和:7569

約数の個数: 24

約数和(自身を含む): 349360128

約数和(自身を除く): 148146363

約数列:

[1, 3, 5, 9, 15, 45, 647, 1941, 3235, 5823, 6911, 9705, 20733, 29115, 34555, 62199, 103665, 310995, 4471417, 13414251, 22357085, 40242753, 67071255, 201213765]

約数ペア:

[(1, 201213765), (3, 67071255), (5, 40242753), (9, 22357085), (15, 13414251), (45, 4471417), (647, 310995), (1941, 103665), (3235, 62199), (5823, 34555), (6911, 29115), (9705, 20733)]