81322703

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 107315496

約数和(自身を除く): 25992793

約数列:

[1, 7, 11, 31, 49, 77, 157, 217, 341, 539, 961, 1099, 1519, 1727, 2387, 4867, 6727, 7693, 10571, 12089, 16709, 34069, 47089, 53537, 73997, 84623, 150877, 238483, 374759, 517979, 1056139, 1659647, 2623313, 7392973, 11617529, 81322703]

約数ペア:

[(1, 81322703), (7, 11617529), (11, 7392973), (31, 2623313), (49, 1659647), (77, 1056139), (157, 517979), (217, 374759), (341, 238483), (539, 150877), (961, 84623), (1099, 73997), (1519, 53537), (1727, 47089), (2387, 34069), (4867, 16709), (6727, 12089), (7693, 10571)]