25788213

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 42584256

約数和(自身を除く): 16796043

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 103, 281, 297, 309, 843, 891, 927, 1133, 2529, 2781, 3091, 3399, 7587, 8343, 9273, 10197, 22761, 27819, 28943, 30591, 83457, 86829, 91773, 250371, 260487, 318373, 781461, 955119, 2344383, 2865357, 8596071, 25788213]

約数ペア:

[(1, 25788213), (3, 8596071), (9, 2865357), (11, 2344383), (27, 955119), (33, 781461), (81, 318373), (99, 260487), (103, 250371), (281, 91773), (297, 86829), (309, 83457), (843, 30591), (891, 28943), (927, 27819), (1133, 22761), (2529, 10197), (2781, 9273), (3091, 8343), (3399, 7587)]