28590003

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 48448400

約数和(自身を除く): 19858397

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1429, 1539, 2223, 4287, 6669, 12861, 18577, 20007, 27151, 38583, 55731, 81453, 115749, 167193, 244359, 352963, 501579, 733077, 1058889, 1504737, 2199231, 3176667, 9530001, 28590003]

約数ペア:

[(1, 28590003), (3, 9530001), (9, 3176667), (13, 2199231), (19, 1504737), (27, 1058889), (39, 733077), (57, 501579), (81, 352963), (117, 244359), (171, 167193), (247, 115749), (351, 81453), (513, 55731), (741, 38583), (1053, 27151), (1429, 20007), (1539, 18577), (2223, 12861), (4287, 6669)]