67779825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21017}}^1$

素因数の和:21073

約数の個数: 24

約数和(自身を含む): 114674208

約数和(自身を除く): 46894383

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21017, 63051, 105085, 315255, 525425, 903731, 1576275, 2711193, 4518655, 13555965, 22593275, 67779825]

約数ペア:

[(1, 67779825), (3, 22593275), (5, 13555965), (15, 4518655), (25, 2711193), (43, 1576275), (75, 903731), (129, 525425), (215, 315255), (645, 105085), (1075, 63051), (3225, 21017)]