64908645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 110702592

約数和(自身を除く): 45793947

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 4003, 5405, 12009, 16215, 20015, 60045, 92069, 188141, 276207, 460345, 564423, 940705, 1381035, 2822115, 4327243, 12981729, 21636215, 64908645]

約数ペア:

[(1, 64908645), (3, 21636215), (5, 12981729), (15, 4327243), (23, 2822115), (47, 1381035), (69, 940705), (115, 564423), (141, 460345), (235, 276207), (345, 188141), (705, 92069), (1081, 60045), (3243, 20015), (4003, 16215), (5405, 12009)]