287768319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 420096000

約数和(自身を除く): 132327681

約数列:

[1, 3, 19, 31, 57, 93, 149, 447, 589, 1093, 1767, 2831, 3279, 4619, 8493, 13857, 20767, 33883, 62301, 87761, 101649, 162857, 263283, 488571, 643777, 1931331, 3094283, 5048567, 9282849, 15145701, 95922773, 287768319]

約数ペア:

[(1, 287768319), (3, 95922773), (19, 15145701), (31, 9282849), (57, 5048567), (93, 3094283), (149, 1931331), (447, 643777), (589, 488571), (1093, 263283), (1767, 162857), (2831, 101649), (3279, 87761), (4619, 62301), (8493, 33883), (13857, 20767)]