77984955

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13229}}^1$

素因数の和:13371

約数の個数: 24

約数和(自身を含む): 136216080

約数和(自身を除く): 58231125

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 13229, 39687, 66145, 119061, 198435, 595305, 1732999, 5198997, 8664995, 15596991, 25994985, 77984955]

約数ペア:

[(1, 77984955), (3, 25994985), (5, 15596991), (9, 8664995), (15, 5198997), (45, 1732999), (131, 595305), (393, 198435), (655, 119061), (1179, 66145), (1965, 39687), (5895, 13229)]