66728205

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 126573744

約数和(自身を除く): 59845539

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 73, 81, 111, 135, 183, 185, 219, 305, 333, 365, 405, 549, 555, 657, 915, 999, 1095, 1647, 1665, 1971, 2257, 2701, 2745, 2997, 3285, 4453, 4941, 4995, 5913, 6771, 8103, 8235, 9855, 11285, 13359, 13505, 14985, 20313, 22265, 24309, 24705, 29565, 33855, 40077, 40515, 60939, 66795, 72927, 101565, 120231, 121545, 164761, 182817, 200385, 218781, 304695, 360693, 364635, 494283, 601155, 823805, 914085, 1093905, 1482849, 1803465, 2471415, 4448547, 7414245, 13345641, 22242735, 66728205]

約数ペア:

[(1, 66728205), (3, 22242735), (5, 13345641), (9, 7414245), (15, 4448547), (27, 2471415), (37, 1803465), (45, 1482849), (61, 1093905), (73, 914085), (81, 823805), (111, 601155), (135, 494283), (183, 364635), (185, 360693), (219, 304695), (305, 218781), (333, 200385), (365, 182817), (405, 164761), (549, 121545), (555, 120231), (657, 101565), (915, 72927), (999, 66795), (1095, 60939), (1647, 40515), (1665, 40077), (1971, 33855), (2257, 29565), (2701, 24705), (2745, 24309), (2997, 22265), (3285, 20313), (4453, 14985), (4941, 13505), (4995, 13359), (5913, 11285), (6771, 9855), (8103, 8235)]