66216825

素因数分解:

$3^3\times 5^2\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 122432640

約数和(自身を除く): 56215815

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 263, 373, 675, 789, 1119, 1315, 1865, 2367, 3357, 3945, 5595, 6575, 7101, 9325, 10071, 11835, 16785, 19725, 27975, 35505, 50355, 59175, 83925, 98099, 177525, 251775, 294297, 490495, 882891, 1471485, 2452475, 2648673, 4414455, 7357425, 13243365, 22072275, 66216825]

約数ペア:

[(1, 66216825), (3, 22072275), (5, 13243365), (9, 7357425), (15, 4414455), (25, 2648673), (27, 2452475), (45, 1471485), (75, 882891), (135, 490495), (225, 294297), (263, 251775), (373, 177525), (675, 98099), (789, 83925), (1119, 59175), (1315, 50355), (1865, 35505), (2367, 27975), (3357, 19725), (3945, 16785), (5595, 11835), (6575, 10071), (7101, 9325)]