213366915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{278911}}^1$

素因数の和:278939

約数の個数: 24

約数和(自身を含む): 391592448

約数和(自身を除く): 178225533

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 278911, 836733, 1394555, 2510199, 4183665, 4741487, 12550995, 14224461, 23707435, 42673383, 71122305, 213366915]

約数ペア:

[(1, 213366915), (3, 71122305), (5, 42673383), (9, 23707435), (15, 14224461), (17, 12550995), (45, 4741487), (51, 4183665), (85, 2510199), (153, 1394555), (255, 836733), (765, 278911)]