27898155

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 21997845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1049, 1773, 2955, 3147, 5245, 5319, 8865, 9441, 15735, 26595, 28323, 47205, 141615, 206653, 619959, 1033265, 1859877, 3099795, 5579631, 9299385, 27898155]

約数ペア:

[(1, 27898155), (3, 9299385), (5, 5579631), (9, 3099795), (15, 1859877), (27, 1033265), (45, 619959), (135, 206653), (197, 141615), (591, 47205), (985, 28323), (1049, 26595), (1773, 15735), (2955, 9441), (3147, 8865), (5245, 5319)]