28702900221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{385279}}^1$

素因数の和:386608

約数の個数: 16

約数和(自身を含む): 40315699200

約数和(自身を除く): 11612798979

約数列:

[1, 3, 19, 57, 1307, 3921, 24833, 74499, 385279, 1155837, 7320301, 21960903, 503559653, 1510678959, 9567633407, 28702900221]

約数ペア:

[(1, 28702900221), (3, 9567633407), (19, 1510678959), (57, 503559653), (1307, 21960903), (3921, 7320301), (24833, 1155837), (74499, 385279)]