139262319

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 236051712

約数和(自身を除く): 96789393

約数列:

[1, 3, 7, 9, 21, 63, 73, 107, 219, 283, 321, 511, 657, 749, 849, 963, 1533, 1981, 2247, 2547, 4599, 5943, 6741, 7811, 17829, 20659, 23433, 30281, 54677, 61977, 70299, 90843, 144613, 164031, 185931, 211967, 272529, 433839, 492093, 635901, 1301517, 1907703, 2210513, 6631539, 15473591, 19894617, 46420773, 139262319]

約数ペア:

[(1, 139262319), (3, 46420773), (7, 19894617), (9, 15473591), (21, 6631539), (63, 2210513), (73, 1907703), (107, 1301517), (219, 635901), (283, 492093), (321, 433839), (511, 272529), (657, 211967), (749, 185931), (849, 164031), (963, 144613), (1533, 90843), (1981, 70299), (2247, 61977), (2547, 54677), (4599, 30281), (5943, 23433), (6741, 20659), (7811, 17829)]