28274895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^2$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 53689896

約数和(自身を除く): 25415001

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 239, 495, 717, 1195, 2151, 2629, 3585, 7887, 10755, 13145, 23661, 39435, 57121, 118305, 171363, 285605, 514089, 628331, 856815, 1884993, 2570445, 3141655, 5654979, 9424965, 28274895]

約数ペア:

[(1, 28274895), (3, 9424965), (5, 5654979), (9, 3141655), (11, 2570445), (15, 1884993), (33, 856815), (45, 628331), (55, 514089), (99, 285605), (165, 171363), (239, 118305), (495, 57121), (717, 39435), (1195, 23661), (2151, 13145), (2629, 10755), (3585, 7887)]