28181433

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16987}}^1$

素因数の和:17076

約数の個数: 16

約数和(自身を含む): 43489280

約数和(自身を除く): 15307847

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 16987, 50961, 118909, 356727, 1341973, 4025919, 9393811, 28181433]

約数ペア:

[(1, 28181433), (3, 9393811), (7, 4025919), (21, 1341973), (79, 356727), (237, 118909), (553, 50961), (1659, 16987)]