28300503

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 47549952

約数和(自身を除く): 19249449

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 1111, 1213, 2121, 3333, 3639, 7777, 8491, 13343, 23331, 25473, 40029, 93401, 122513, 280203, 367539, 857591, 1347643, 2572773, 4042929, 9433501, 28300503]

約数ペア:

[(1, 28300503), (3, 9433501), (7, 4042929), (11, 2572773), (21, 1347643), (33, 857591), (77, 367539), (101, 280203), (231, 122513), (303, 93401), (707, 40029), (1111, 25473), (1213, 23331), (2121, 13343), (3333, 8491), (3639, 7777)]