66816255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21313}}^1$

素因数の和:21351

約数の個数: 32

約数和(自身を含む): 122768640

約数和(自身を除く): 55952385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 21313, 63939, 106565, 234443, 319695, 404947, 703329, 1172215, 1214841, 2024735, 3516645, 4454417, 6074205, 13363251, 22272085, 66816255]

約数ペア:

[(1, 66816255), (3, 22272085), (5, 13363251), (11, 6074205), (15, 4454417), (19, 3516645), (33, 2024735), (55, 1214841), (57, 1172215), (95, 703329), (165, 404947), (209, 319695), (285, 234443), (627, 106565), (1045, 63939), (3135, 21313)]