28663995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61643}}^1$

素因数の和:61682

約数の個数: 16

約数和(自身を含む): 47342592

約数和(自身を除く): 18678597

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61643, 184929, 308215, 924645, 1910933, 5732799, 9554665, 28663995]

約数ペア:

[(1, 28663995), (3, 9554665), (5, 5732799), (15, 1910933), (31, 924645), (93, 308215), (155, 184929), (465, 61643)]