68816727

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 125199360

約数和(自身を除く): 56382633

約数列:

[1, 3, 7, 9, 19, 21, 43, 49, 57, 63, 129, 133, 147, 171, 191, 301, 387, 399, 441, 573, 817, 903, 931, 1197, 1337, 1719, 2107, 2451, 2709, 2793, 3629, 4011, 5719, 6321, 7353, 8213, 8379, 9359, 10887, 12033, 17157, 18963, 24639, 25403, 28077, 32661, 40033, 51471, 57491, 73917, 76209, 84231, 120099, 156047, 172473, 177821, 228627, 360297, 402437, 468141, 517419, 533463, 1092329, 1207311, 1404423, 1600389, 3276987, 3621933, 7646303, 9830961, 22938909, 68816727]

約数ペア:

[(1, 68816727), (3, 22938909), (7, 9830961), (9, 7646303), (19, 3621933), (21, 3276987), (43, 1600389), (49, 1404423), (57, 1207311), (63, 1092329), (129, 533463), (133, 517419), (147, 468141), (171, 402437), (191, 360297), (301, 228627), (387, 177821), (399, 172473), (441, 156047), (573, 120099), (817, 84231), (903, 76209), (931, 73917), (1197, 57491), (1337, 51471), (1719, 40033), (2107, 32661), (2451, 28077), (2709, 25403), (2793, 24639), (3629, 18963), (4011, 17157), (5719, 12033), (6321, 10887), (7353, 9359), (8213, 8379)]