515087289

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{2711}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 791470080

約数和(自身を除く): 276382791

約数列:

[1, 3, 9, 27, 31, 93, 227, 279, 681, 837, 2043, 2711, 6129, 7037, 8133, 21111, 24399, 63333, 73197, 84041, 189999, 252123, 615397, 756369, 1846191, 2269107, 5538573, 16615719, 19077307, 57231921, 171695763, 515087289]

約数ペア:

[(1, 515087289), (3, 171695763), (9, 57231921), (27, 19077307), (31, 16615719), (93, 5538573), (227, 2269107), (279, 1846191), (681, 756369), (837, 615397), (2043, 252123), (2711, 189999), (6129, 84041), (7037, 73197), (8133, 63333), (21111, 24399)]