217084815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283771}}^1$

素因数の和:283799

約数の個数: 24

約数和(自身を含む): 398415888

約数和(自身を除く): 181331073

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 283771, 851313, 1418855, 2553939, 4256565, 4824107, 12769695, 14472321, 24120535, 43416963, 72361605, 217084815]

約数ペア:

[(1, 217084815), (3, 72361605), (5, 43416963), (9, 24120535), (15, 14472321), (17, 12769695), (45, 4824107), (51, 4256565), (85, 2553939), (153, 1418855), (255, 851313), (765, 283771)]