68330871

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 125157760

約数和(自身を除く): 56826889

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 139, 153, 189, 243, 289, 357, 417, 459, 567, 867, 973, 1071, 1251, 1377, 1701, 2023, 2363, 2601, 2919, 3213, 3753, 4131, 6069, 7089, 7803, 8757, 9639, 11259, 16541, 18207, 21267, 23409, 26271, 28917, 33777, 40171, 49623, 54621, 63801, 70227, 78813, 120513, 148869, 163863, 191403, 236439, 281197, 361539, 446607, 491589, 574209, 843591, 1084617, 1339821, 2530773, 3253851, 4019463, 7592319, 9761553, 22776957, 68330871]

約数ペア:

[(1, 68330871), (3, 22776957), (7, 9761553), (9, 7592319), (17, 4019463), (21, 3253851), (27, 2530773), (51, 1339821), (63, 1084617), (81, 843591), (119, 574209), (139, 491589), (153, 446607), (189, 361539), (243, 281197), (289, 236439), (357, 191403), (417, 163863), (459, 148869), (567, 120513), (867, 78813), (973, 70227), (1071, 63801), (1251, 54621), (1377, 49623), (1701, 40171), (2023, 33777), (2363, 28917), (2601, 26271), (2919, 23409), (3213, 21267), (3753, 18207), (4131, 16541), (6069, 11259), (7089, 9639), (7803, 8757)]