25238961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 42120000

約数和(自身を除く): 16881039

約数列:

[1, 3, 9, 11, 29, 33, 59, 87, 99, 149, 177, 261, 319, 447, 531, 649, 957, 1341, 1639, 1711, 1947, 2871, 4321, 4917, 5133, 5841, 8791, 12963, 14751, 15399, 18821, 26373, 38889, 47531, 56463, 79119, 96701, 142593, 169389, 254939, 290103, 427779, 764817, 870309, 2294451, 2804329, 8412987, 25238961]

約数ペア:

[(1, 25238961), (3, 8412987), (9, 2804329), (11, 2294451), (29, 870309), (33, 764817), (59, 427779), (87, 290103), (99, 254939), (149, 169389), (177, 142593), (261, 96701), (319, 79119), (447, 56463), (531, 47531), (649, 38889), (957, 26373), (1341, 18821), (1639, 15399), (1711, 14751), (1947, 12963), (2871, 8791), (4321, 5841), (4917, 5133)]