128573805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{6907}}^1$

素因数の和:7005

約数の個数: 32

約数和(自身を含む): 220834944

約数和(自身を除く): 92261139

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 3723, 6205, 6907, 18615, 20721, 34535, 103605, 117419, 352257, 504211, 587095, 1512633, 1761285, 2521055, 7563165, 8571587, 25714761, 42857935, 128573805]

約数ペア:

[(1, 128573805), (3, 42857935), (5, 25714761), (15, 8571587), (17, 7563165), (51, 2521055), (73, 1761285), (85, 1512633), (219, 587095), (255, 504211), (365, 352257), (1095, 117419), (1241, 103605), (3723, 34535), (6205, 20721), (6907, 18615)]