668863215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{874331}}^1$

素因数の和:874359

約数の個数: 24

約数和(自身を含む): 1227562128

約数和(自身を除く): 558698913

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 874331, 2622993, 4371655, 7868979, 13114965, 14863627, 39344895, 44590881, 74318135, 133772643, 222954405, 668863215]

約数ペア:

[(1, 668863215), (3, 222954405), (5, 133772643), (9, 74318135), (15, 44590881), (17, 39344895), (45, 14863627), (51, 13114965), (85, 7868979), (153, 4371655), (255, 2622993), (765, 874331)]