31509387

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 56842240

約数和(自身を除く): 25332853

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 487, 553, 711, 819, 1027, 1461, 1659, 3081, 3409, 4383, 4977, 6331, 7189, 9243, 10227, 18993, 21567, 30681, 38473, 44317, 56979, 64701, 115419, 132951, 269311, 346257, 398853, 500149, 807933, 1500447, 2423799, 3501043, 4501341, 10503129, 31509387]

約数ペア:

[(1, 31509387), (3, 10503129), (7, 4501341), (9, 3501043), (13, 2423799), (21, 1500447), (39, 807933), (63, 500149), (79, 398853), (91, 346257), (117, 269311), (237, 132951), (273, 115419), (487, 64701), (553, 56979), (711, 44317), (819, 38473), (1027, 30681), (1461, 21567), (1659, 18993), (3081, 10227), (3409, 9243), (4383, 7189), (4977, 6331)]