28918935

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27941}}^1$

素因数の和:27975

約数の個数: 24

約数和(自身を含む): 52307424

約数和(自身を除く): 23388489

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27941, 83823, 139705, 251469, 419115, 642643, 1257345, 1927929, 3213215, 5783787, 9639645, 28918935]

約数ペア:

[(1, 28918935), (3, 9639645), (5, 5783787), (9, 3213215), (15, 1927929), (23, 1257345), (45, 642643), (69, 419115), (115, 251469), (207, 139705), (345, 83823), (1035, 27941)]