6781215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 13685760

約数和(自身を除く): 6904545

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 131, 145, 203, 255, 357, 393, 435, 493, 595, 609, 655, 917, 1015, 1479, 1785, 1965, 2227, 2465, 2751, 3045, 3451, 3799, 4585, 6681, 7395, 10353, 11135, 11397, 13755, 15589, 17255, 18995, 26593, 33405, 46767, 51765, 56985, 64583, 77945, 79779, 132965, 193749, 233835, 322915, 398895, 452081, 968745, 1356243, 2260405, 6781215]

約数ペア:

[(1, 6781215), (3, 2260405), (5, 1356243), (7, 968745), (15, 452081), (17, 398895), (21, 322915), (29, 233835), (35, 193749), (51, 132965), (85, 79779), (87, 77945), (105, 64583), (119, 56985), (131, 51765), (145, 46767), (203, 33405), (255, 26593), (357, 18995), (393, 17255), (435, 15589), (493, 13755), (595, 11397), (609, 11135), (655, 10353), (917, 7395), (1015, 6681), (1479, 4585), (1785, 3799), (1965, 3451), (2227, 3045), (2465, 2751)]