390498003

素因数分解:

$3^4\times 7^2\times {\mathrm{98387}}^1$

素因数の和:98413

約数の個数: 30

約数和(自身を含む): 678582036

約数和(自身を除く): 288084033

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 98387, 295161, 688709, 885483, 2066127, 2656449, 4820963, 6198381, 7969347, 14462889, 18595143, 43388667, 55785429, 130166001, 390498003]

約数ペア:

[(1, 390498003), (3, 130166001), (7, 55785429), (9, 43388667), (21, 18595143), (27, 14462889), (49, 7969347), (63, 6198381), (81, 4820963), (147, 2656449), (189, 2066127), (441, 885483), (567, 688709), (1323, 295161), (3969, 98387)]