25978113

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 45302400

約数和(自身を除く): 19324287

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 177, 203, 241, 261, 413, 531, 609, 723, 1239, 1687, 1711, 1827, 2169, 3717, 5061, 5133, 6989, 11977, 14219, 15183, 15399, 20967, 35931, 42657, 48923, 62901, 99533, 107793, 127971, 146769, 298599, 412351, 440307, 895797, 1237053, 2886457, 3711159, 8659371, 25978113]

約数ペア:

[(1, 25978113), (3, 8659371), (7, 3711159), (9, 2886457), (21, 1237053), (29, 895797), (59, 440307), (63, 412351), (87, 298599), (177, 146769), (203, 127971), (241, 107793), (261, 99533), (413, 62901), (531, 48923), (609, 42657), (723, 35931), (1239, 20967), (1687, 15399), (1711, 15183), (1827, 14219), (2169, 11977), (3717, 6989), (5061, 5133)]