28131345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 56339712

約数和(自身を除く): 28208367

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 3343, 8415, 10029, 16715, 30087, 36773, 50145, 56831, 110319, 150435, 170493, 183865, 284155, 330957, 511479, 551595, 625141, 852465, 1654785, 1875423, 2557395, 3125705, 5626269, 9377115, 28131345]

約数ペア:

[(1, 28131345), (3, 9377115), (5, 5626269), (9, 3125705), (11, 2557395), (15, 1875423), (17, 1654785), (33, 852465), (45, 625141), (51, 551595), (55, 511479), (85, 330957), (99, 284155), (153, 183865), (165, 170493), (187, 150435), (255, 110319), (495, 56831), (561, 50145), (765, 36773), (935, 30087), (1683, 16715), (2805, 10029), (3343, 8415)]