16855641

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 29952000

約数和(自身を除く): 13096359

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 87, 99, 103, 171, 209, 261, 297, 309, 319, 513, 551, 627, 783, 927, 957, 1133, 1653, 1881, 1957, 2781, 2871, 2987, 3399, 4959, 5643, 5871, 6061, 8613, 8961, 10197, 14877, 17613, 18183, 21527, 26883, 30591, 32857, 52839, 54549, 56753, 64581, 80649, 98571, 163647, 170259, 193743, 295713, 510777, 581229, 624283, 887139, 1532331, 1872849, 5618547, 16855641]

約数ペア:

[(1, 16855641), (3, 5618547), (9, 1872849), (11, 1532331), (19, 887139), (27, 624283), (29, 581229), (33, 510777), (57, 295713), (87, 193743), (99, 170259), (103, 163647), (171, 98571), (209, 80649), (261, 64581), (297, 56753), (309, 54549), (319, 52839), (513, 32857), (551, 30591), (627, 26883), (783, 21527), (927, 18183), (957, 17613), (1133, 14877), (1653, 10197), (1881, 8961), (1957, 8613), (2781, 6061), (2871, 5871), (2987, 5643), (3399, 4959)]