204816195

素因数分解:

$3^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:783

約数の個数: 56

約数和(自身を含む): 373491216

約数和(自身を除く): 168675021

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 243, 249, 405, 415, 677, 729, 747, 1215, 1245, 2031, 2241, 3385, 3645, 3735, 6093, 6723, 10155, 11205, 18279, 20169, 30465, 33615, 54837, 56191, 60507, 91395, 100845, 164511, 168573, 274185, 280955, 302535, 493533, 505719, 822555, 842865, 1517157, 2467665, 2528595, 4551471, 7585785, 13654413, 22757355, 40963239, 68272065, 204816195]

約数ペア:

[(1, 204816195), (3, 68272065), (5, 40963239), (9, 22757355), (15, 13654413), (27, 7585785), (45, 4551471), (81, 2528595), (83, 2467665), (135, 1517157), (243, 842865), (249, 822555), (405, 505719), (415, 493533), (677, 302535), (729, 280955), (747, 274185), (1215, 168573), (1245, 164511), (2031, 100845), (2241, 91395), (3385, 60507), (3645, 56191), (3735, 54837), (6093, 33615), (6723, 30465), (10155, 20169), (11205, 18279)]