66423645

素因数分解:

$3^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 119659320

約数和(自身を除く): 53235675

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 401, 405, 409, 1203, 1227, 2005, 2045, 3609, 3681, 6015, 6135, 10827, 11043, 18045, 18405, 32481, 33129, 54135, 55215, 162405, 164009, 165645, 492027, 820045, 1476081, 2460135, 4428243, 7380405, 13284729, 22141215, 66423645]

約数ペア:

[(1, 66423645), (3, 22141215), (5, 13284729), (9, 7380405), (15, 4428243), (27, 2460135), (45, 1476081), (81, 820045), (135, 492027), (401, 165645), (405, 164009), (409, 162405), (1203, 55215), (1227, 54135), (2005, 33129), (2045, 32481), (3609, 18405), (3681, 18045), (6015, 11043), (6135, 10827)]