207816687

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 344923488

約数和(自身を除く): 137106801

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 163, 221, 489, 641, 663, 1467, 1923, 1989, 2119, 2771, 5769, 6357, 8313, 8333, 10897, 19071, 24939, 24999, 32691, 36023, 74997, 98073, 104483, 108069, 141661, 313449, 324207, 424983, 940347, 1274949, 1358279, 1776211, 4074837, 5328633, 12224511, 15985899, 23090743, 69272229, 207816687]

約数ペア:

[(1, 207816687), (3, 69272229), (9, 23090743), (13, 15985899), (17, 12224511), (39, 5328633), (51, 4074837), (117, 1776211), (153, 1358279), (163, 1274949), (221, 940347), (489, 424983), (641, 324207), (663, 313449), (1467, 141661), (1923, 108069), (1989, 104483), (2119, 98073), (2771, 74997), (5769, 36023), (6357, 32691), (8313, 24999), (8333, 24939), (10897, 19071)]