16946865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 32235840

約数和(自身を除く): 15288975

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 491, 531, 585, 767, 885, 1473, 2301, 2455, 2655, 3835, 4419, 6383, 6903, 7365, 11505, 19149, 22095, 28969, 31915, 34515, 57447, 86907, 95745, 144845, 260721, 287235, 376597, 434535, 1129791, 1303605, 1882985, 3389373, 5648955, 16946865]

約数ペア:

[(1, 16946865), (3, 5648955), (5, 3389373), (9, 1882985), (13, 1303605), (15, 1129791), (39, 434535), (45, 376597), (59, 287235), (65, 260721), (117, 144845), (177, 95745), (195, 86907), (295, 57447), (491, 34515), (531, 31915), (585, 28969), (767, 22095), (885, 19149), (1473, 11505), (2301, 7365), (2455, 6903), (2655, 6383), (3835, 4419)]