278852253

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{25741}}^1$

素因数の和:25924

約数の個数: 16

約数和(自身を含む): 390454656

約数和(自身を除く): 111602403

約数列:

[1, 3, 23, 69, 157, 471, 3611, 10833, 25741, 77223, 592043, 1776129, 4041337, 12124011, 92950751, 278852253]

約数ペア:

[(1, 278852253), (3, 92950751), (23, 12124011), (69, 4041337), (157, 1776129), (471, 592043), (3611, 77223), (10833, 25741)]