221489154

素因数分解:

$2^1\times 3^6\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2174

約数の個数: 56

約数和(自身を含む): 505188972

約数和(自身を除く): 283699818

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 657, 729, 1314, 1458, 1971, 2081, 3942, 4162, 5913, 6243, 11826, 12486, 17739, 18729, 35478, 37458, 53217, 56187, 106434, 112374, 151913, 168561, 303826, 337122, 455739, 505683, 911478, 1011366, 1367217, 1517049, 2734434, 3034098, 4101651, 8203302, 12304953, 24609906, 36914859, 73829718, 110744577, 221489154]

約数ペア:

[(1, 221489154), (2, 110744577), (3, 73829718), (6, 36914859), (9, 24609906), (18, 12304953), (27, 8203302), (54, 4101651), (73, 3034098), (81, 2734434), (146, 1517049), (162, 1367217), (219, 1011366), (243, 911478), (438, 505683), (486, 455739), (657, 337122), (729, 303826), (1314, 168561), (1458, 151913), (1971, 112374), (2081, 106434), (3942, 56187), (4162, 53217), (5913, 37458), (6243, 35478), (11826, 18729), (12486, 17739)]