81461637

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7499}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 126360000

約数和(自身を除く): 44898363

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 7499, 10863, 22497, 67491, 127483, 382449, 532429, 1147347, 1597287, 4791861, 9051293, 27153879, 81461637]

約数ペア:

[(1, 81461637), (3, 27153879), (9, 9051293), (17, 4791861), (51, 1597287), (71, 1147347), (153, 532429), (213, 382449), (639, 127483), (1207, 67491), (3621, 22497), (7499, 10863)]