66813615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 131116752

約数和(自身を除く): 64303137

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 73, 99, 129, 165, 215, 219, 365, 387, 473, 495, 645, 657, 803, 1095, 1419, 1849, 1935, 2365, 2409, 3139, 3285, 4015, 4257, 5547, 7095, 7227, 9245, 9417, 12045, 15695, 16641, 20339, 21285, 27735, 28251, 34529, 36135, 47085, 61017, 83205, 101695, 103587, 134977, 141255, 172645, 183051, 305085, 310761, 404931, 517935, 674885, 915255, 1214793, 1484747, 1553805, 2024655, 4454241, 6073965, 7423735, 13362723, 22271205, 66813615]

約数ペア:

[(1, 66813615), (3, 22271205), (5, 13362723), (9, 7423735), (11, 6073965), (15, 4454241), (33, 2024655), (43, 1553805), (45, 1484747), (55, 1214793), (73, 915255), (99, 674885), (129, 517935), (165, 404931), (215, 310761), (219, 305085), (365, 183051), (387, 172645), (473, 141255), (495, 134977), (645, 103587), (657, 101695), (803, 83205), (1095, 61017), (1419, 47085), (1849, 36135), (1935, 34529), (2365, 28251), (2409, 27735), (3139, 21285), (3285, 20339), (4015, 16641), (4257, 15695), (5547, 12045), (7095, 9417), (7227, 9245)]