201358521

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81953}}^1$

素因数の和:81982

約数の個数: 32

約数和(自身を含む): 367153920

約数和(自身を除く): 165795399

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 81953, 245859, 573671, 737577, 1065389, 1721013, 2212731, 3196167, 5163039, 7457723, 9588501, 15489117, 22373169, 28765503, 67119507, 201358521]

約数ペア:

[(1, 201358521), (3, 67119507), (7, 28765503), (9, 22373169), (13, 15489117), (21, 9588501), (27, 7457723), (39, 5163039), (63, 3196167), (91, 2212731), (117, 1721013), (189, 1065389), (273, 737577), (351, 573671), (819, 245859), (2457, 81953)]