1921000263

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 3407523840

約数和(自身を除く): 1486523577

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 191, 247, 273, 277, 399, 573, 637, 741, 831, 931, 1337, 1729, 1911, 1939, 2483, 2793, 3601, 3629, 4011, 5187, 5263, 5817, 7449, 9359, 10803, 10887, 12103, 13573, 15789, 17381, 25207, 25403, 28077, 36309, 36841, 40719, 47177, 52143, 52907, 68419, 75621, 76209, 110523, 121667, 141531, 158721, 176449, 177821, 205257, 257887, 330239, 365001, 370349, 478933, 529347, 533463, 687791, 773661, 990717, 1005233, 1111047, 1436799, 2063373, 2311673, 2592443, 3015699, 3352531, 4814537, 6935019, 7036631, 7777329, 10057593, 13068029, 14443611, 21109893, 33701759, 39204087, 49256417, 91476203, 101105277, 147769251, 274428609, 640333421, 1921000263]

約数ペア:

[(1, 1921000263), (3, 640333421), (7, 274428609), (13, 147769251), (19, 101105277), (21, 91476203), (39, 49256417), (49, 39204087), (57, 33701759), (91, 21109893), (133, 14443611), (147, 13068029), (191, 10057593), (247, 7777329), (273, 7036631), (277, 6935019), (399, 4814537), (573, 3352531), (637, 3015699), (741, 2592443), (831, 2311673), (931, 2063373), (1337, 1436799), (1729, 1111047), (1911, 1005233), (1939, 990717), (2483, 773661), (2793, 687791), (3601, 533463), (3629, 529347), (4011, 478933), (5187, 370349), (5263, 365001), (5817, 330239), (7449, 257887), (9359, 205257), (10803, 177821), (10887, 176449), (12103, 158721), (13573, 141531), (15789, 121667), (17381, 110523), (25207, 76209), (25403, 75621), (28077, 68419), (36309, 52907), (36841, 52143), (40719, 47177)]