172851921

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 290304000

約数和(自身を除く): 117452079

約数列:

[1, 3, 9, 11, 27, 33, 53, 79, 99, 139, 159, 237, 297, 417, 477, 583, 711, 869, 1251, 1431, 1529, 1749, 2133, 2607, 3753, 4187, 4587, 5247, 7367, 7821, 10981, 12561, 13761, 15741, 22101, 23463, 32943, 37683, 41283, 46057, 66303, 81037, 98829, 113049, 120791, 138171, 198909, 243111, 296487, 362373, 414513, 581993, 729333, 1087119, 1243539, 1745979, 2187999, 3261357, 5237937, 6401923, 15713811, 19205769, 57617307, 172851921]

約数ペア:

[(1, 172851921), (3, 57617307), (9, 19205769), (11, 15713811), (27, 6401923), (33, 5237937), (53, 3261357), (79, 2187999), (99, 1745979), (139, 1243539), (159, 1087119), (237, 729333), (297, 581993), (417, 414513), (477, 362373), (583, 296487), (711, 243111), (869, 198909), (1251, 138171), (1431, 120791), (1529, 113049), (1749, 98829), (2133, 81037), (2607, 66303), (3753, 46057), (4187, 41283), (4587, 37683), (5247, 32943), (7367, 23463), (7821, 22101), (10981, 15741), (12561, 13761)]