28043145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 58531200

約数和(自身を除く): 30488055

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 29, 39, 45, 57, 65, 87, 95, 117, 135, 145, 171, 195, 247, 261, 285, 351, 377, 435, 513, 551, 585, 741, 783, 841, 855, 1131, 1235, 1305, 1653, 1755, 1885, 2223, 2523, 2565, 2755, 3393, 3705, 3915, 4205, 4959, 5655, 6669, 7163, 7569, 8265, 10179, 10933, 11115, 12615, 14877, 15979, 16965, 21489, 22707, 24795, 32799, 33345, 35815, 37845, 47937, 50895, 54665, 64467, 74385, 79895, 98397, 107445, 113535, 143811, 163995, 193401, 207727, 239685, 295191, 322335, 431433, 491985, 623181, 719055, 967005, 1038635, 1475955, 1869543, 2157165, 3115905, 5608629, 9347715, 28043145]

約数ペア:

[(1, 28043145), (3, 9347715), (5, 5608629), (9, 3115905), (13, 2157165), (15, 1869543), (19, 1475955), (27, 1038635), (29, 967005), (39, 719055), (45, 623181), (57, 491985), (65, 431433), (87, 322335), (95, 295191), (117, 239685), (135, 207727), (145, 193401), (171, 163995), (195, 143811), (247, 113535), (261, 107445), (285, 98397), (351, 79895), (377, 74385), (435, 64467), (513, 54665), (551, 50895), (585, 47937), (741, 37845), (783, 35815), (841, 33345), (855, 32799), (1131, 24795), (1235, 22707), (1305, 21489), (1653, 16965), (1755, 15979), (1885, 14877), (2223, 12615), (2523, 11115), (2565, 10933), (2755, 10179), (3393, 8265), (3705, 7569), (3915, 7163), (4205, 6669), (4959, 5655)]