28779279

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{661}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 40164864

約数和(自身を除く): 11385585

約数列:

[1, 3, 23, 69, 631, 661, 1893, 1983, 14513, 15203, 43539, 45609, 417091, 1251273, 9593093, 28779279]

約数ペア:

[(1, 28779279), (3, 9593093), (23, 1251273), (69, 417091), (631, 45609), (661, 43539), (1893, 15203), (1983, 14513)]