204037785

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{71971}}^1$

素因数の和:71995

約数の個数: 40

約数和(自身を含む): 418013376

約数和(自身を除く): 213975591

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 71971, 215913, 359855, 503797, 647739, 1079565, 1511391, 1943217, 2518985, 3238695, 4534173, 5829651, 7556955, 9716085, 13602519, 22670865, 29148255, 40807557, 68012595, 204037785]

約数ペア:

[(1, 204037785), (3, 68012595), (5, 40807557), (7, 29148255), (9, 22670865), (15, 13602519), (21, 9716085), (27, 7556955), (35, 5829651), (45, 4534173), (63, 3238695), (81, 2518985), (105, 1943217), (135, 1511391), (189, 1079565), (315, 647739), (405, 503797), (567, 359855), (945, 215913), (2835, 71971)]