261152745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{10861}}^1$

素因数の和:11105

約数の個数: 32

約数和(自身を含む): 479665920

約数和(自身を除く): 218513175

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 1145, 1603, 3435, 4809, 8015, 10861, 24045, 32583, 54305, 76027, 162915, 228081, 380135, 1140405, 2487169, 7461507, 12435845, 17410183, 37307535, 52230549, 87050915, 261152745]

約数ペア:

[(1, 261152745), (3, 87050915), (5, 52230549), (7, 37307535), (15, 17410183), (21, 12435845), (35, 7461507), (105, 2487169), (229, 1140405), (687, 380135), (1145, 228081), (1603, 162915), (3435, 76027), (4809, 54305), (8015, 32583), (10861, 24045)]