64709955

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3217}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 115848000

約数和(自身を除く): 51138045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 3217, 4023, 6705, 9651, 16085, 20115, 28953, 48255, 86859, 144765, 434295, 479333, 1437999, 2396665, 4313997, 7189995, 12941991, 21569985, 64709955]

約数ペア:

[(1, 64709955), (3, 21569985), (5, 12941991), (9, 7189995), (15, 4313997), (27, 2396665), (45, 1437999), (135, 479333), (149, 434295), (447, 144765), (745, 86859), (1341, 48255), (2235, 28953), (3217, 20115), (4023, 16085), (6705, 9651)]