78349815

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6624

約数の個数: 32

約数和(自身を含む): 140875200

約数和(自身を除く): 62525385

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 6521, 12015, 19563, 32605, 58689, 97815, 176067, 293445, 580369, 880335, 1741107, 2901845, 5223321, 8705535, 15669963, 26116605, 78349815]

約数ペア:

[(1, 78349815), (3, 26116605), (5, 15669963), (9, 8705535), (15, 5223321), (27, 2901845), (45, 1741107), (89, 880335), (135, 580369), (267, 293445), (445, 176067), (801, 97815), (1335, 58689), (2403, 32605), (4005, 19563), (6521, 12015)]