31945749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 16006251

約数列:

[1, 3, 11, 33, 73, 89, 149, 219, 267, 447, 803, 979, 1639, 2409, 2937, 4917, 6497, 10877, 13261, 19491, 32631, 39783, 71467, 119647, 145871, 214401, 358941, 437613, 968053, 2904159, 10648583, 31945749]

約数ペア:

[(1, 31945749), (3, 10648583), (11, 2904159), (33, 968053), (73, 437613), (89, 358941), (149, 214401), (219, 145871), (267, 119647), (447, 71467), (803, 39783), (979, 32631), (1639, 19491), (2409, 13261), (2937, 10877), (4917, 6497)]