28489785

素因数分解:

$3^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1553}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 45650304

約数和(自身を除く): 17160519

約数列:

[1, 3, 5, 15, 1223, 1553, 3669, 4659, 6115, 7765, 18345, 23295, 1899319, 5697957, 9496595, 28489785]

約数ペア:

[(1, 28489785), (3, 9496595), (5, 5697957), (15, 1899319), (1223, 23295), (1553, 18345), (3669, 7765), (4659, 6115)]