12920289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 19305216

約数和(自身を除く): 6384927

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 167, 501, 629, 697, 1517, 1887, 2091, 2839, 4551, 6179, 6847, 8517, 18537, 20541, 25789, 77367, 105043, 116399, 253339, 315129, 349197, 760017, 4306763, 12920289]

約数ペア:

[(1, 12920289), (3, 4306763), (17, 760017), (37, 349197), (41, 315129), (51, 253339), (111, 116399), (123, 105043), (167, 77367), (501, 25789), (629, 20541), (697, 18537), (1517, 8517), (1887, 6847), (2091, 6179), (2839, 4551)]