16860015

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 13552785

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1759, 1917, 3195, 5277, 8795, 9585, 15831, 26385, 47493, 79155, 124889, 237465, 374667, 624445, 1124001, 1873335, 3372003, 5620005, 16860015]

約数ペア:

[(1, 16860015), (3, 5620005), (5, 3372003), (9, 1873335), (15, 1124001), (27, 624445), (45, 374667), (71, 237465), (135, 124889), (213, 79155), (355, 47493), (639, 26385), (1065, 15831), (1759, 9585), (1917, 8795), (3195, 5277)]