28901229

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 45029088

約数和(自身を除く): 16127859

約数列:

[1, 3, 7, 21, 49, 147, 421, 467, 1263, 1401, 2947, 3269, 8841, 9807, 20629, 22883, 61887, 68649, 196607, 589821, 1376249, 4128747, 9633743, 28901229]

約数ペア:

[(1, 28901229), (3, 9633743), (7, 4128747), (21, 1376249), (49, 589821), (147, 196607), (421, 68649), (467, 61887), (1263, 22883), (1401, 20629), (2947, 9807), (3269, 8841)]