25213881

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 18912327

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 503, 539, 651, 1023, 1509, 1519, 1617, 2387, 3521, 4557, 5533, 7161, 10563, 15593, 16599, 16709, 24647, 38731, 46779, 50127, 73941, 109151, 116193, 171523, 271117, 327453, 514569, 764057, 813351, 1200661, 2292171, 3601983, 8404627, 25213881]

約数ペア:

[(1, 25213881), (3, 8404627), (7, 3601983), (11, 2292171), (21, 1200661), (31, 813351), (33, 764057), (49, 514569), (77, 327453), (93, 271117), (147, 171523), (217, 116193), (231, 109151), (341, 73941), (503, 50127), (539, 46779), (651, 38731), (1023, 24647), (1509, 16709), (1519, 16599), (1617, 15593), (2387, 10563), (3521, 7161), (4557, 5533)]