16659705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 28486656

約数和(自身を除く): 11826951

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1123, 2967, 3369, 4945, 5615, 14835, 16845, 25829, 48289, 77487, 129145, 144867, 241445, 387435, 724335, 1110647, 3331941, 5553235, 16659705]

約数ペア:

[(1, 16659705), (3, 5553235), (5, 3331941), (15, 1110647), (23, 724335), (43, 387435), (69, 241445), (115, 144867), (129, 129145), (215, 77487), (345, 48289), (645, 25829), (989, 16845), (1123, 14835), (2967, 5615), (3369, 4945)]