64827987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 105587712

約数和(自身を除く): 40759725

約数列:

[1, 3, 7, 17, 21, 51, 113, 119, 339, 357, 791, 1607, 1921, 2373, 4821, 5763, 11249, 13447, 27319, 33747, 40341, 81957, 181591, 191233, 544773, 573699, 1271137, 3087047, 3813411, 9261141, 21609329, 64827987]

約数ペア:

[(1, 64827987), (3, 21609329), (7, 9261141), (17, 3813411), (21, 3087047), (51, 1271137), (113, 573699), (119, 544773), (339, 191233), (357, 181591), (791, 81957), (1607, 40341), (1921, 33747), (2373, 27319), (4821, 13447), (5763, 11249)]