68979519

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 60

約数和(自身を含む): 124657104

約数和(自身を除く): 55677585

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 337, 361, 399, 513, 567, 1011, 1083, 1197, 1539, 2359, 2527, 3033, 3249, 3591, 6403, 7077, 7581, 9099, 9747, 10773, 19209, 21231, 22743, 27297, 29241, 44821, 57627, 63693, 68229, 121657, 134463, 172881, 191079, 204687, 364971, 403389, 518643, 851599, 1094913, 1210167, 2554797, 3284739, 3630501, 7664391, 9854217, 22993173, 68979519]

約数ペア:

[(1, 68979519), (3, 22993173), (7, 9854217), (9, 7664391), (19, 3630501), (21, 3284739), (27, 2554797), (57, 1210167), (63, 1094913), (81, 851599), (133, 518643), (171, 403389), (189, 364971), (337, 204687), (361, 191079), (399, 172881), (513, 134463), (567, 121657), (1011, 68229), (1083, 63693), (1197, 57627), (1539, 44821), (2359, 29241), (2527, 27297), (3033, 22743), (3249, 21231), (3591, 19209), (6403, 10773), (7077, 9747), (7581, 9099)]