72727921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 91922688

約数和(自身を除く): 19194767

約数列:

[1, 7, 17, 43, 61, 119, 233, 301, 427, 731, 1037, 1631, 2623, 3961, 5117, 7259, 10019, 14213, 18361, 27727, 44591, 70133, 99491, 170323, 241621, 312137, 611159, 1192261, 1691347, 4278113, 10389703, 72727921]

約数ペア:

[(1, 72727921), (7, 10389703), (17, 4278113), (43, 1691347), (61, 1192261), (119, 611159), (233, 312137), (301, 241621), (427, 170323), (731, 99491), (1037, 70133), (1631, 44591), (2623, 27727), (3961, 18361), (5117, 14213), (7259, 10019)]