731005989

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 1133991936

約数和(自身を除く): 402985947

約数列:

[1, 3, 7, 21, 71, 213, 307, 497, 921, 1491, 1597, 2149, 4791, 6447, 11179, 21797, 33537, 65391, 113387, 152579, 340161, 457737, 490279, 793709, 1470837, 2381127, 3431953, 10295859, 34809809, 104429427, 243668663, 731005989]

約数ペア:

[(1, 731005989), (3, 243668663), (7, 104429427), (21, 34809809), (71, 10295859), (213, 3431953), (307, 2381127), (497, 1470837), (921, 793709), (1491, 490279), (1597, 457737), (2149, 340161), (4791, 152579), (6447, 113387), (11179, 65391), (21797, 33537)]