16563975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 28950528

約数和(自身を除く): 12386553

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 127, 141, 185, 235, 381, 555, 635, 705, 925, 1175, 1739, 1905, 2775, 3175, 3525, 4699, 5217, 5969, 8695, 9525, 14097, 17907, 23495, 26085, 29845, 43475, 70485, 89535, 117475, 130425, 149225, 220853, 352425, 447675, 662559, 1104265, 3312795, 5521325, 16563975]

約数ペア:

[(1, 16563975), (3, 5521325), (5, 3312795), (15, 1104265), (25, 662559), (37, 447675), (47, 352425), (75, 220853), (111, 149225), (127, 130425), (141, 117475), (185, 89535), (235, 70485), (381, 43475), (555, 29845), (635, 26085), (705, 23495), (925, 17907), (1175, 14097), (1739, 9525), (1905, 8695), (2775, 5969), (3175, 5217), (3525, 4699)]