25090191

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 44328960

約数和(自身を除く): 19238769

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 443, 609, 651, 899, 1329, 1827, 1953, 2697, 3101, 3987, 6293, 8091, 9303, 12847, 13733, 18879, 27909, 38541, 41199, 56637, 89929, 96131, 115623, 123597, 269787, 288393, 398257, 809361, 865179, 1194771, 2787799, 3584313, 8363397, 25090191]

約数ペア:

[(1, 25090191), (3, 8363397), (7, 3584313), (9, 2787799), (21, 1194771), (29, 865179), (31, 809361), (63, 398257), (87, 288393), (93, 269787), (203, 123597), (217, 115623), (261, 96131), (279, 89929), (443, 56637), (609, 41199), (651, 38541), (899, 27909), (1329, 18879), (1827, 13733), (1953, 12847), (2697, 9303), (3101, 8091), (3987, 6293)]