279820005

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 455155200

約数和(自身を除く): 175335195

約数列:

[1, 3, 5, 15, 89, 239, 267, 445, 717, 877, 1195, 1335, 2631, 3585, 4385, 13155, 21271, 63813, 78053, 106355, 209603, 234159, 319065, 390265, 628809, 1048015, 1170795, 3144045, 18654667, 55964001, 93273335, 279820005]

約数ペア:

[(1, 279820005), (3, 93273335), (5, 55964001), (15, 18654667), (89, 3144045), (239, 1170795), (267, 1048015), (445, 628809), (717, 390265), (877, 319065), (1195, 234159), (1335, 209603), (2631, 106355), (3585, 78053), (4385, 63813), (13155, 21271)]