25754337

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 19847583

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 173, 357, 417, 519, 973, 1071, 1211, 1251, 1557, 2363, 2919, 2941, 3633, 7089, 8757, 8823, 10899, 16541, 20587, 21267, 24047, 26469, 49623, 61761, 72141, 148869, 168329, 185283, 216423, 408799, 504987, 1226397, 1514961, 2861593, 3679191, 8584779, 25754337]

約数ペア:

[(1, 25754337), (3, 8584779), (7, 3679191), (9, 2861593), (17, 1514961), (21, 1226397), (51, 504987), (63, 408799), (119, 216423), (139, 185283), (153, 168329), (173, 148869), (357, 72141), (417, 61761), (519, 49623), (973, 26469), (1071, 24047), (1211, 21267), (1251, 20587), (1557, 16541), (2363, 10899), (2919, 8823), (2941, 8757), (3633, 7089)]