1258905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 2177280

約数和(自身を除く): 918375

約数列:

[1, 3, 5, 15, 23, 41, 69, 89, 115, 123, 205, 267, 345, 445, 615, 943, 1335, 2047, 2829, 3649, 4715, 6141, 10235, 10947, 14145, 18245, 30705, 54735, 83927, 251781, 419635, 1258905]

約数ペア:

[(1, 1258905), (3, 419635), (5, 251781), (15, 83927), (23, 54735), (41, 30705), (69, 18245), (89, 14145), (115, 10947), (123, 10235), (205, 6141), (267, 4715), (345, 3649), (445, 2829), (615, 2047), (943, 1335)]