207788745

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 337944960

約数和(自身を除く): 130156215

約数列:

[1, 3, 5, 15, 89, 267, 317, 445, 491, 951, 1335, 1473, 1585, 2455, 4755, 7365, 28213, 43699, 84639, 131097, 141065, 155647, 218495, 423195, 466941, 655485, 778235, 2334705, 13852583, 41557749, 69262915, 207788745]

約数ペア:

[(1, 207788745), (3, 69262915), (5, 41557749), (15, 13852583), (89, 2334705), (267, 778235), (317, 655485), (445, 466941), (491, 423195), (951, 218495), (1335, 155647), (1473, 141065), (1585, 131097), (2455, 84639), (4755, 43699), (7365, 28213)]