28566321

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 44912640

約数和(自身を除く): 16346319

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 257, 469, 553, 771, 1407, 1659, 1799, 5293, 5397, 15879, 17219, 20303, 37051, 51657, 60909, 111153, 120533, 142121, 361599, 426363, 1360301, 4080903, 9522107, 28566321]

約数ペア:

[(1, 28566321), (3, 9522107), (7, 4080903), (21, 1360301), (67, 426363), (79, 361599), (201, 142121), (237, 120533), (257, 111153), (469, 60909), (553, 51657), (771, 37051), (1407, 20303), (1659, 17219), (1799, 15879), (5293, 5397)]