207947505

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2153}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 342434304

約数和(自身を除く): 134486799

約数列:

[1, 3, 5, 15, 47, 137, 141, 235, 411, 685, 705, 2055, 2153, 6439, 6459, 10765, 19317, 32195, 32295, 96585, 101191, 294961, 303573, 505955, 884883, 1474805, 1517865, 4424415, 13863167, 41589501, 69315835, 207947505]

約数ペア:

[(1, 207947505), (3, 69315835), (5, 41589501), (15, 13863167), (47, 4424415), (137, 1517865), (141, 1474805), (235, 884883), (411, 505955), (685, 303573), (705, 294961), (2055, 101191), (2153, 96585), (6439, 32295), (6459, 32195), (10765, 19317)]