128012013

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{1607}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 189641088

約数和(自身を除く): 61629075

約数列:

[1, 3, 9, 53, 159, 167, 477, 501, 1503, 1607, 4821, 8851, 14463, 26553, 79659, 85171, 255513, 268369, 766539, 805107, 2415321, 14223557, 42670671, 128012013]

約数ペア:

[(1, 128012013), (3, 42670671), (9, 14223557), (53, 2415321), (159, 805107), (167, 766539), (477, 268369), (501, 255513), (1503, 85171), (1607, 79659), (4821, 26553), (8851, 14463)]