419669721

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1483}}^1$

素因数の和:1762

約数の個数: 32

約数和(自身を含む): 638238720

約数和(自身を除く): 218568999

約数列:

[1, 3, 9, 27, 47, 141, 223, 423, 669, 1269, 1483, 2007, 4449, 6021, 10481, 13347, 31443, 40041, 69701, 94329, 209103, 282987, 330709, 627309, 992127, 1881927, 2976381, 8929143, 15543323, 46629969, 139889907, 419669721]

約数ペア:

[(1, 419669721), (3, 139889907), (9, 46629969), (27, 15543323), (47, 8929143), (141, 2976381), (223, 1881927), (423, 992127), (669, 627309), (1269, 330709), (1483, 282987), (2007, 209103), (4449, 94329), (6021, 69701), (10481, 40041), (13347, 31443)]