420636699

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{47353}}^1$

素因数の和:47416

約数の個数: 32

約数和(自身を含む): 727357440

約数和(自身を除く): 306720741

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 47353, 142059, 331471, 426177, 994413, 1278531, 2225591, 2983239, 6676773, 8949717, 15579137, 20030319, 46737411, 60090957, 140212233, 420636699]

約数ペア:

[(1, 420636699), (3, 140212233), (7, 60090957), (9, 46737411), (21, 20030319), (27, 15579137), (47, 8949717), (63, 6676773), (141, 2983239), (189, 2225591), (329, 1278531), (423, 994413), (987, 426177), (1269, 331471), (2961, 142059), (8883, 47353)]