2180996865

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{217339}}^1$

素因数の和:217573

約数の個数: 24

約数和(自身を含む): 3797364480

約数和(自身を除く): 1616367615

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 217339, 652017, 1086695, 1956051, 3260085, 9780255, 48466597, 145399791, 242332985, 436199373, 726998955, 2180996865]

約数ペア:

[(1, 2180996865), (3, 726998955), (5, 436199373), (9, 242332985), (15, 145399791), (45, 48466597), (223, 9780255), (669, 3260085), (1115, 1956051), (2007, 1086695), (3345, 652017), (10035, 217339)]