17613921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 10061727

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 857, 1209, 1581, 2571, 6851, 11141, 14569, 20553, 26567, 33423, 43707, 79701, 189397, 345371, 451639, 568191, 1036113, 1354917, 5871307, 17613921]

約数ペア:

[(1, 17613921), (3, 5871307), (13, 1354917), (17, 1036113), (31, 568191), (39, 451639), (51, 345371), (93, 189397), (221, 79701), (403, 43707), (527, 33423), (663, 26567), (857, 20553), (1209, 14569), (1581, 11141), (2571, 6851)]