208340613

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 346106880

約数和(自身を除く): 137766267

約数列:

[1, 3, 9, 13, 27, 39, 47, 73, 117, 141, 173, 219, 351, 423, 519, 611, 657, 949, 1269, 1557, 1833, 1971, 2249, 2847, 3431, 4671, 5499, 6747, 8131, 8541, 10293, 12629, 16497, 20241, 24393, 25623, 30879, 37887, 44603, 60723, 73179, 92637, 105703, 113661, 133809, 164177, 219537, 317109, 340983, 401427, 492531, 593563, 951327, 1204281, 1477593, 1780689, 2853981, 4432779, 5342067, 7716319, 16026201, 23148957, 69446871, 208340613]

約数ペア:

[(1, 208340613), (3, 69446871), (9, 23148957), (13, 16026201), (27, 7716319), (39, 5342067), (47, 4432779), (73, 2853981), (117, 1780689), (141, 1477593), (173, 1204281), (219, 951327), (351, 593563), (423, 492531), (519, 401427), (611, 340983), (657, 317109), (949, 219537), (1269, 164177), (1557, 133809), (1833, 113661), (1971, 105703), (2249, 92637), (2847, 73179), (3431, 60723), (4671, 44603), (5499, 37887), (6747, 30879), (8131, 25623), (8541, 24393), (10293, 20241), (12629, 16497)]