28649271

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2467}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 45016320

約数和(自身を除く): 16367049

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 2467, 3871, 7401, 11613, 17269, 51807, 120883, 194893, 362649, 584679, 1364251, 4092753, 9549757, 28649271]

約数ペア:

[(1, 28649271), (3, 9549757), (7, 4092753), (21, 1364251), (49, 584679), (79, 362649), (147, 194893), (237, 120883), (553, 51807), (1659, 17269), (2467, 11613), (3871, 7401)]