25282179

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 19876221

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 117, 153, 171, 221, 223, 247, 323, 351, 459, 513, 663, 669, 741, 969, 1989, 2007, 2223, 2899, 2907, 3791, 4199, 4237, 5967, 6021, 6669, 8697, 8721, 11373, 12597, 12711, 26091, 34119, 37791, 38133, 49283, 55081, 72029, 78273, 102357, 113373, 114399, 147849, 165243, 216087, 443547, 495729, 648261, 936377, 1330641, 1487187, 1944783, 2809131, 8427393, 25282179]

約数ペア:

[(1, 25282179), (3, 8427393), (9, 2809131), (13, 1944783), (17, 1487187), (19, 1330641), (27, 936377), (39, 648261), (51, 495729), (57, 443547), (117, 216087), (153, 165243), (171, 147849), (221, 114399), (223, 113373), (247, 102357), (323, 78273), (351, 72029), (459, 55081), (513, 49283), (663, 38133), (669, 37791), (741, 34119), (969, 26091), (1989, 12711), (2007, 12597), (2223, 11373), (2899, 8721), (2907, 8697), (3791, 6669), (4199, 6021), (4237, 5967)]