51687255

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 84553920

約数和(自身を除く): 32866665

約数列:

[1, 3, 5, 15, 101, 109, 303, 313, 327, 505, 545, 939, 1515, 1565, 1635, 4695, 11009, 31613, 33027, 34117, 55045, 94839, 102351, 158065, 165135, 170585, 474195, 511755, 3445817, 10337451, 17229085, 51687255]

約数ペア:

[(1, 51687255), (3, 17229085), (5, 10337451), (15, 3445817), (101, 511755), (109, 474195), (303, 170585), (313, 165135), (327, 158065), (505, 102351), (545, 94839), (939, 55045), (1515, 34117), (1565, 33027), (1635, 31613), (4695, 11009)]