172042017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6073}}^1$

素因数の和:6173

約数の個数: 32

約数和(自身を含む): 279889920

約数和(自身を除く): 107847903

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 6073, 9443, 18219, 28329, 42511, 115387, 127533, 346161, 431183, 807709, 1293549, 2423127, 3018281, 8192477, 9054843, 24577431, 57347339, 172042017]

約数ペア:

[(1, 172042017), (3, 57347339), (7, 24577431), (19, 9054843), (21, 8192477), (57, 3018281), (71, 2423127), (133, 1293549), (213, 807709), (399, 431183), (497, 346161), (1349, 127533), (1491, 115387), (4047, 42511), (6073, 28329), (9443, 18219)]