28971279

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 43001712

約数和(自身を除く): 14030433

約数列:

[1, 3, 9, 61, 113, 183, 339, 467, 549, 1017, 1401, 4203, 6893, 20679, 28487, 52771, 62037, 85461, 158313, 256383, 474939, 3219031, 9657093, 28971279]

約数ペア:

[(1, 28971279), (3, 9657093), (9, 3219031), (61, 474939), (113, 256383), (183, 158313), (339, 85461), (467, 62037), (549, 52771), (1017, 28487), (1401, 20679), (4203, 6893)]