420909477

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 607104000

約数和(自身を除く): 186194523

約数列:

[1, 3, 17, 51, 67, 199, 201, 597, 619, 1139, 1857, 3383, 3417, 10149, 10523, 13333, 31569, 39999, 41473, 123181, 124419, 226661, 369543, 679983, 705041, 2094077, 2115123, 6282231, 8253127, 24759381, 140303159, 420909477]

約数ペア:

[(1, 420909477), (3, 140303159), (17, 24759381), (51, 8253127), (67, 6282231), (199, 2115123), (201, 2094077), (597, 705041), (619, 679983), (1139, 369543), (1857, 226661), (3383, 124419), (3417, 123181), (10149, 41473), (10523, 39999), (13333, 31569)]