40542369

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31649}}^1$

素因数の和:31720

約数の個数: 16

約数和(自身を含む): 62793600

約数和(自身を除く): 22251231

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 31649, 94947, 221543, 664629, 1930589, 5791767, 13514123, 40542369]

約数ペア:

[(1, 40542369), (3, 13514123), (7, 5791767), (21, 1930589), (61, 664629), (183, 221543), (427, 94947), (1281, 31649)]