81475149

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 127774720

約数和(自身を除く): 46299571

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 469, 553, 733, 1407, 1659, 2199, 5131, 5293, 15393, 15879, 37051, 49111, 57907, 111153, 147333, 173721, 343777, 405349, 1031331, 1216047, 3879769, 11639307, 27158383, 81475149]

約数ペア:

[(1, 81475149), (3, 27158383), (7, 11639307), (21, 3879769), (67, 1216047), (79, 1031331), (201, 405349), (237, 343777), (469, 173721), (553, 147333), (733, 111153), (1407, 57907), (1659, 49111), (2199, 37051), (5131, 15879), (5293, 15393)]