788148873

素因数分解:

$3^7\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 1185995520

約数和(自身を除く): 397846647

約数列:

[1, 3, 9, 27, 81, 243, 557, 647, 729, 1671, 1941, 2187, 5013, 5823, 15039, 17469, 45117, 52407, 135351, 157221, 360379, 406053, 471663, 1081137, 1218159, 1414989, 3243411, 9730233, 29190699, 87572097, 262716291, 788148873]

約数ペア:

[(1, 788148873), (3, 262716291), (9, 87572097), (27, 29190699), (81, 9730233), (243, 3243411), (557, 1414989), (647, 1218159), (729, 1081137), (1671, 471663), (1941, 406053), (2187, 360379), (5013, 157221), (5823, 135351), (15039, 52407), (17469, 45117)]