72768087

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1228

約数の個数: 36

約数和(自身を含む): 123166056

約数和(自身を除く): 50397969

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 471, 1051, 1099, 1413, 3153, 3297, 7357, 7693, 9459, 9891, 22071, 23079, 51499, 66213, 69237, 154497, 165007, 463491, 495021, 1155049, 1485063, 3465147, 8085343, 10395441, 24256029, 72768087]

約数ペア:

[(1, 72768087), (3, 24256029), (7, 10395441), (9, 8085343), (21, 3465147), (49, 1485063), (63, 1155049), (147, 495021), (157, 463491), (441, 165007), (471, 154497), (1051, 69237), (1099, 66213), (1413, 51499), (3153, 23079), (3297, 22071), (7357, 9891), (7693, 9459)]