28311957

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 44528000

約数和(自身を除く): 16216043

約数列:

[1, 3, 9, 19, 27, 57, 171, 229, 241, 513, 687, 723, 2061, 2169, 4351, 4579, 6183, 6507, 13053, 13737, 39159, 41211, 55189, 117477, 123633, 165567, 496701, 1048591, 1490103, 3145773, 9437319, 28311957]

約数ペア:

[(1, 28311957), (3, 9437319), (9, 3145773), (19, 1490103), (27, 1048591), (57, 496701), (171, 165567), (229, 123633), (241, 117477), (513, 55189), (687, 41211), (723, 39159), (2061, 13737), (2169, 13053), (4351, 6507), (4579, 6183)]