31045959

素因数分解:

$3^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 53352000

約数和(自身を除く): 22306041

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 113, 147, 267, 339, 343, 441, 623, 791, 801, 1017, 1029, 1869, 2373, 3087, 4361, 5537, 5607, 7119, 10057, 13083, 16611, 30171, 30527, 38759, 39249, 49833, 70399, 90513, 91581, 116277, 211197, 274743, 348831, 492793, 633591, 1478379, 3449551, 4435137, 10348653, 31045959]

約数ペア:

[(1, 31045959), (3, 10348653), (7, 4435137), (9, 3449551), (21, 1478379), (49, 633591), (63, 492793), (89, 348831), (113, 274743), (147, 211197), (267, 116277), (339, 91581), (343, 90513), (441, 70399), (623, 49833), (791, 39249), (801, 38759), (1017, 30527), (1029, 30171), (1869, 16611), (2373, 13083), (3087, 10057), (4361, 7119), (5537, 5607)]