781396119

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{78007}}^1$

素因数の和:78076

約数の個数: 32

約数和(自身を含む): 1347978240

約数和(自身を除く): 566582121

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 78007, 234021, 546049, 702063, 1638147, 2106189, 4134371, 4914441, 12403113, 14743323, 28940597, 37209339, 86821791, 111628017, 260465373, 781396119]

約数ペア:

[(1, 781396119), (3, 260465373), (7, 111628017), (9, 86821791), (21, 37209339), (27, 28940597), (53, 14743323), (63, 12403113), (159, 4914441), (189, 4134371), (371, 2106189), (477, 1638147), (1113, 702063), (1431, 546049), (3339, 234021), (10017, 78007)]