28724085

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 55339200

約数和(自身を除く): 26615115

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1259, 1521, 1755, 2535, 3777, 4563, 6295, 7605, 11331, 16367, 18885, 22815, 33993, 49101, 56655, 81835, 147303, 169965, 212771, 245505, 441909, 638313, 736515, 1063855, 1914939, 2209545, 3191565, 5744817, 9574695, 28724085]

約数ペア:

[(1, 28724085), (3, 9574695), (5, 5744817), (9, 3191565), (13, 2209545), (15, 1914939), (27, 1063855), (39, 736515), (45, 638313), (65, 441909), (117, 245505), (135, 212771), (169, 169965), (195, 147303), (351, 81835), (507, 56655), (585, 49101), (845, 33993), (1259, 22815), (1521, 18885), (1755, 16367), (2535, 11331), (3777, 7605), (4563, 6295)]