28136295

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18972

約数の個数: 32

約数和(自身を含む): 54570240

約数和(自身を除く): 26433945

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 18947, 56841, 94735, 170523, 208417, 284205, 511569, 625251, 852615, 1042085, 1875753, 2557845, 3126255, 5627259, 9378765, 28136295]

約数ペア:

[(1, 28136295), (3, 9378765), (5, 5627259), (9, 3126255), (11, 2557845), (15, 1875753), (27, 1042085), (33, 852615), (45, 625251), (55, 511569), (99, 284205), (135, 208417), (165, 170523), (297, 94735), (495, 56841), (1485, 18947)]