81475947

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{3727}}^1$

素因数の和:4087

約数の個数: 24

約数和(自身を含む): 134923776

約数和(自身を除く): 53447829

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3123, 3727, 7287, 11181, 21861, 26089, 33543, 78267, 234801, 1293269, 3879807, 9052883, 11639421, 27158649, 81475947]

約数ペア:

[(1, 81475947), (3, 27158649), (7, 11639421), (9, 9052883), (21, 3879807), (63, 1293269), (347, 234801), (1041, 78267), (2429, 33543), (3123, 26089), (3727, 21861), (7287, 11181)]