25899291

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 19259109

約数列:

[1, 3, 9, 11, 27, 29, 31, 33, 87, 93, 97, 99, 261, 279, 291, 297, 319, 341, 783, 837, 873, 899, 957, 1023, 1067, 2619, 2697, 2813, 2871, 3007, 3069, 3201, 8091, 8439, 8613, 9021, 9207, 9603, 9889, 24273, 25317, 27063, 28809, 29667, 30943, 33077, 75951, 81189, 87203, 89001, 92829, 99231, 261609, 267003, 278487, 297693, 784827, 835461, 893079, 959233, 2354481, 2877699, 8633097, 25899291]

約数ペア:

[(1, 25899291), (3, 8633097), (9, 2877699), (11, 2354481), (27, 959233), (29, 893079), (31, 835461), (33, 784827), (87, 297693), (93, 278487), (97, 267003), (99, 261609), (261, 99231), (279, 92829), (291, 89001), (297, 87203), (319, 81189), (341, 75951), (783, 33077), (837, 30943), (873, 29667), (899, 28809), (957, 27063), (1023, 25317), (1067, 24273), (2619, 9889), (2697, 9603), (2813, 9207), (2871, 9021), (3007, 8613), (3069, 8439), (3201, 8091)]