16071885

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 15032115

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 149, 153, 235, 255, 423, 447, 459, 705, 745, 765, 799, 1269, 1341, 2115, 2235, 2295, 2397, 2533, 3995, 4023, 6345, 6705, 7003, 7191, 7599, 11985, 12665, 20115, 21009, 21573, 22797, 35015, 35955, 37995, 63027, 68391, 105045, 107865, 113985, 119051, 189081, 315135, 341955, 357153, 595255, 945405, 1071459, 1785765, 3214377, 5357295, 16071885]

約数ペア:

[(1, 16071885), (3, 5357295), (5, 3214377), (9, 1785765), (15, 1071459), (17, 945405), (27, 595255), (45, 357153), (47, 341955), (51, 315135), (85, 189081), (135, 119051), (141, 113985), (149, 107865), (153, 105045), (235, 68391), (255, 63027), (423, 37995), (447, 35955), (459, 35015), (705, 22797), (745, 21573), (765, 21009), (799, 20115), (1269, 12665), (1341, 11985), (2115, 7599), (2235, 7191), (2295, 7003), (2397, 6705), (2533, 6345), (3995, 4023)]