16608921

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 10099047

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 251, 411, 483, 753, 959, 1757, 2877, 3151, 5271, 5773, 9453, 17319, 22057, 34387, 40411, 66171, 103161, 121233, 240709, 722127, 790901, 2372703, 5536307, 16608921]

約数ペア:

[(1, 16608921), (3, 5536307), (7, 2372703), (21, 790901), (23, 722127), (69, 240709), (137, 121233), (161, 103161), (251, 66171), (411, 40411), (483, 34387), (753, 22057), (959, 17319), (1757, 9453), (2877, 5773), (3151, 5271)]