219023181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 358176000

約数和(自身を除く): 139152819

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 199, 207, 299, 409, 597, 897, 1227, 1791, 2587, 2691, 3681, 4577, 5317, 7761, 9407, 13731, 15951, 23283, 28221, 41193, 47853, 59501, 81391, 84663, 122291, 178503, 244173, 366873, 535509, 732519, 1058083, 1100619, 1871993, 3174249, 5615979, 9522747, 16847937, 24335909, 73007727, 219023181]

約数ペア:

[(1, 219023181), (3, 73007727), (9, 24335909), (13, 16847937), (23, 9522747), (39, 5615979), (69, 3174249), (117, 1871993), (199, 1100619), (207, 1058083), (299, 732519), (409, 535509), (597, 366873), (897, 244173), (1227, 178503), (1791, 122291), (2587, 84663), (2691, 81391), (3681, 59501), (4577, 47853), (5317, 41193), (7761, 28221), (9407, 23283), (13731, 15951)]