81330375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{30983}}^1$

素因数の和:31008

約数の個数: 32

約数和(自身を含む): 154672128

約数和(自身を除く): 73341753

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 30983, 92949, 154915, 216881, 464745, 650643, 774575, 1084405, 2323725, 3253215, 3872875, 5422025, 11618625, 16266075, 27110125, 81330375]

約数ペア:

[(1, 81330375), (3, 27110125), (5, 16266075), (7, 11618625), (15, 5422025), (21, 3872875), (25, 3253215), (35, 2323725), (75, 1084405), (105, 774575), (125, 650643), (175, 464745), (375, 216881), (525, 154915), (875, 92949), (2625, 30983)]