1689885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 3168828

約数和(自身を除く): 1478943

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 2115, 2209, 2397, 3995, 6627, 7191, 11045, 11985, 19881, 33135, 35955, 37553, 99405, 112659, 187765, 337977, 563295, 1689885]

約数ペア:

[(1, 1689885), (3, 563295), (5, 337977), (9, 187765), (15, 112659), (17, 99405), (45, 37553), (47, 35955), (51, 33135), (85, 19881), (141, 11985), (153, 11045), (235, 7191), (255, 6627), (423, 3995), (705, 2397), (765, 2209), (799, 2115)]