255996969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 368375040

約数和(自身を除く): 112378071

約数列:

[1, 3, 23, 37, 69, 111, 197, 509, 591, 851, 1527, 2553, 4531, 7289, 11707, 13593, 18833, 21867, 35121, 56499, 100273, 167647, 300819, 433159, 502941, 1299477, 2306279, 3710101, 6918837, 11130303, 85332323, 255996969]

約数ペア:

[(1, 255996969), (3, 85332323), (23, 11130303), (37, 6918837), (69, 3710101), (111, 2306279), (197, 1299477), (509, 502941), (591, 433159), (851, 300819), (1527, 167647), (2553, 100273), (4531, 56499), (7289, 35121), (11707, 21867), (13593, 18833)]