28375809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122839}}^1$

素因数の和:122860

約数の個数: 16

約数和(自身を含む): 47170560

約数和(自身を除く): 18794751

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122839, 368517, 859873, 1351229, 2579619, 4053687, 9458603, 28375809]

約数ペア:

[(1, 28375809), (3, 9458603), (7, 4053687), (11, 2579619), (21, 1351229), (33, 859873), (77, 368517), (231, 122839)]