258761715

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 420940800

約数和(自身を除く): 162179085

約数列:

[1, 3, 5, 15, 89, 239, 267, 445, 717, 811, 1195, 1335, 2433, 3585, 4055, 12165, 21271, 63813, 72179, 106355, 193829, 216537, 319065, 360895, 581487, 969145, 1082685, 2907435, 17250781, 51752343, 86253905, 258761715]

約数ペア:

[(1, 258761715), (3, 86253905), (5, 51752343), (15, 17250781), (89, 2907435), (239, 1082685), (267, 969145), (445, 581487), (717, 360895), (811, 319065), (1195, 216537), (1335, 193829), (2433, 106355), (3585, 72179), (4055, 63813), (12165, 21271)]