28053783

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{7369}}^1$

素因数の和:7428

約数の個数: 20

約数和(自身を含む): 42804960

約数和(自身を除く): 14751177

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 7369, 22107, 66321, 198963, 346343, 596889, 1039029, 3117087, 9351261, 28053783]

約数ペア:

[(1, 28053783), (3, 9351261), (9, 3117087), (27, 1039029), (47, 596889), (81, 346343), (141, 198963), (423, 66321), (1269, 22107), (3807, 7369)]