156531285

素因数分解:

$3^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{739}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 281513760

約数和(自身を除く): 124982475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 523, 739, 1569, 2217, 2615, 3695, 4707, 6651, 7845, 11085, 14121, 19953, 23535, 33255, 42363, 59859, 70605, 99765, 211815, 299295, 386497, 1159491, 1932485, 3478473, 5797455, 10435419, 17392365, 31306257, 52177095, 156531285]

約数ペア:

[(1, 156531285), (3, 52177095), (5, 31306257), (9, 17392365), (15, 10435419), (27, 5797455), (45, 3478473), (81, 1932485), (135, 1159491), (405, 386497), (523, 299295), (739, 211815), (1569, 99765), (2217, 70605), (2615, 59859), (3695, 42363), (4707, 33255), (6651, 23535), (7845, 19953), (11085, 14121)]