849661275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2593}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 1493770464

約数和(自身を除く): 644109189

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 257, 425, 771, 1275, 1285, 2593, 3855, 4369, 6425, 7779, 12965, 13107, 19275, 21845, 38895, 44081, 64825, 65535, 109225, 132243, 194475, 220405, 327675, 661215, 666401, 1102025, 1999203, 3306075, 3332005, 9996015, 11328817, 16660025, 33986451, 49980075, 56644085, 169932255, 283220425, 849661275]

約数ペア:

[(1, 849661275), (3, 283220425), (5, 169932255), (15, 56644085), (17, 49980075), (25, 33986451), (51, 16660025), (75, 11328817), (85, 9996015), (255, 3332005), (257, 3306075), (425, 1999203), (771, 1102025), (1275, 666401), (1285, 661215), (2593, 327675), (3855, 220405), (4369, 194475), (6425, 132243), (7779, 109225), (12965, 65535), (13107, 64825), (19275, 44081), (21845, 38895)]