258991821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{153887}}^1$

素因数の和:153921

約数の個数: 24

約数和(自身を含む): 432117504

約数和(自身を除く): 173125683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 153887, 461661, 1384983, 1692757, 2616079, 5078271, 7848237, 15234813, 23544711, 28776869, 86330607, 258991821]

約数ペア:

[(1, 258991821), (3, 86330607), (9, 28776869), (11, 23544711), (17, 15234813), (33, 7848237), (51, 5078271), (99, 2616079), (153, 1692757), (187, 1384983), (561, 461661), (1683, 153887)]