71506869

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 111513600

約数和(自身を除く): 40006731

約数列:

[1, 3, 7, 21, 71, 199, 213, 241, 497, 597, 723, 1393, 1491, 1687, 4179, 5061, 14129, 17111, 42387, 47959, 51333, 98903, 119777, 143877, 296709, 335713, 359331, 1007139, 3405089, 10215267, 23835623, 71506869]

約数ペア:

[(1, 71506869), (3, 23835623), (7, 10215267), (21, 3405089), (71, 1007139), (199, 359331), (213, 335713), (241, 296709), (497, 143877), (597, 119777), (723, 98903), (1393, 51333), (1491, 47959), (1687, 42387), (4179, 17111), (5061, 14129)]