287489535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{2099}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 481420800

約数和(自身を除く): 193931265

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 397, 1191, 1985, 2099, 5955, 6297, 9131, 10495, 27393, 31485, 45655, 48277, 136965, 144831, 241385, 724155, 833303, 2499909, 4166515, 12499545, 19165969, 57497907, 95829845, 287489535]

約数ペア:

[(1, 287489535), (3, 95829845), (5, 57497907), (15, 19165969), (23, 12499545), (69, 4166515), (115, 2499909), (345, 833303), (397, 724155), (1191, 241385), (1985, 144831), (2099, 136965), (5955, 48277), (6297, 45655), (9131, 31485), (10495, 27393)]