71767965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 122052096

約数和(自身を除く): 50284131

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 431, 653, 1293, 1959, 2155, 3265, 6465, 7327, 9795, 11101, 21981, 33303, 36635, 55505, 109905, 166515, 281443, 844329, 1407215, 4221645, 4784531, 14353593, 23922655, 71767965]

約数ペア:

[(1, 71767965), (3, 23922655), (5, 14353593), (15, 4784531), (17, 4221645), (51, 1407215), (85, 844329), (255, 281443), (431, 166515), (653, 109905), (1293, 55505), (1959, 36635), (2155, 33303), (3265, 21981), (6465, 11101), (7327, 9795)]