78738339

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 112332528

約数和(自身を除く): 33594189

約数列:

[1, 3, 17, 51, 197, 289, 461, 591, 867, 1383, 3349, 7837, 10047, 23511, 56933, 90817, 133229, 170799, 272451, 399687, 1543889, 4631667, 26246113, 78738339]

約数ペア:

[(1, 78738339), (3, 26246113), (17, 4631667), (51, 1543889), (197, 399687), (289, 272451), (461, 170799), (591, 133229), (867, 90817), (1383, 56933), (3349, 23511), (7837, 10047)]