64553985

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 118145664

約数和(自身を除く): 53591679

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 97, 115, 207, 291, 345, 485, 643, 873, 1035, 1455, 1929, 2231, 3215, 4365, 5787, 6693, 9645, 11155, 14789, 20079, 28935, 33465, 44367, 62371, 73945, 100395, 133101, 187113, 221835, 311855, 561339, 665505, 935565, 1434533, 2806695, 4303599, 7172665, 12910797, 21517995, 64553985]

約数ペア:

[(1, 64553985), (3, 21517995), (5, 12910797), (9, 7172665), (15, 4303599), (23, 2806695), (45, 1434533), (69, 935565), (97, 665505), (115, 561339), (207, 311855), (291, 221835), (345, 187113), (485, 133101), (643, 100395), (873, 73945), (1035, 62371), (1455, 44367), (1929, 33465), (2231, 28935), (3215, 20079), (4365, 14789), (5787, 11155), (6693, 9645)]