67818387

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 116960256

約数和(自身を除く): 49141869

約数列:

[1, 3, 7, 13, 21, 39, 41, 73, 83, 91, 123, 219, 249, 273, 287, 511, 533, 581, 861, 949, 1079, 1533, 1599, 1743, 2847, 2993, 3237, 3403, 3731, 6059, 6643, 7553, 8979, 10209, 11193, 18177, 19929, 20951, 22659, 23821, 38909, 42413, 44239, 62853, 71463, 78767, 116727, 127239, 132717, 236301, 248419, 272363, 309673, 551369, 745257, 817089, 929019, 1654107, 1738933, 3229447, 5216799, 9688341, 22606129, 67818387]

約数ペア:

[(1, 67818387), (3, 22606129), (7, 9688341), (13, 5216799), (21, 3229447), (39, 1738933), (41, 1654107), (73, 929019), (83, 817089), (91, 745257), (123, 551369), (219, 309673), (249, 272363), (273, 248419), (287, 236301), (511, 132717), (533, 127239), (581, 116727), (861, 78767), (949, 71463), (1079, 62853), (1533, 44239), (1599, 42413), (1743, 38909), (2847, 23821), (2993, 22659), (3237, 20951), (3403, 19929), (3731, 18177), (6059, 11193), (6643, 10209), (7553, 8979)]