81258687

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1049}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 127680000

約数和(自身を除く): 46421313

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 453, 513, 1049, 1359, 2869, 3147, 4077, 8607, 9441, 19931, 25821, 28323, 59793, 77463, 158399, 179379, 475197, 538137, 1425591, 3009581, 4276773, 9028743, 27086229, 81258687]

約数ペア:

[(1, 81258687), (3, 27086229), (9, 9028743), (19, 4276773), (27, 3009581), (57, 1425591), (151, 538137), (171, 475197), (453, 179379), (513, 158399), (1049, 77463), (1359, 59793), (2869, 28323), (3147, 25821), (4077, 19931), (8607, 9441)]