127878129

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 192890880

約数和(自身を除く): 65012751

約数列:

[1, 3, 9, 27, 137, 181, 191, 411, 543, 573, 1233, 1629, 1719, 3699, 4887, 5157, 24797, 26167, 34571, 74391, 78501, 103713, 223173, 235503, 311139, 669519, 706509, 933417, 4736227, 14208681, 42626043, 127878129]

約数ペア:

[(1, 127878129), (3, 42626043), (9, 14208681), (27, 4736227), (137, 933417), (181, 706509), (191, 669519), (411, 311139), (543, 235503), (573, 223173), (1233, 103713), (1629, 78501), (1719, 74391), (3699, 34571), (4887, 26167), (5157, 24797)]