78676017

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 136088640

約数和(自身を除く): 57412623

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 1657, 2261, 2499, 2793, 4971, 6783, 11599, 15827, 28169, 31483, 34797, 47481, 81193, 84507, 94449, 197183, 220381, 243579, 535211, 591549, 661143, 1380281, 1542667, 1605633, 3746477, 4140843, 4628001, 11239431, 26225339, 78676017]

約数ペア:

[(1, 78676017), (3, 26225339), (7, 11239431), (17, 4628001), (19, 4140843), (21, 3746477), (49, 1605633), (51, 1542667), (57, 1380281), (119, 661143), (133, 591549), (147, 535211), (323, 243579), (357, 220381), (399, 197183), (833, 94449), (931, 84507), (969, 81193), (1657, 47481), (2261, 34797), (2499, 31483), (2793, 28169), (4971, 15827), (6783, 11599)]