128530665

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 234005760

約数和(自身を除く): 105475095

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 431, 705, 1269, 1293, 2115, 2155, 2209, 3879, 6345, 6465, 6627, 11045, 11637, 19395, 19881, 20257, 33135, 58185, 59643, 60771, 99405, 101285, 182313, 298215, 303855, 546939, 911565, 952079, 2734695, 2856237, 4760395, 8568711, 14281185, 25706133, 42843555, 128530665]

約数ペア:

[(1, 128530665), (3, 42843555), (5, 25706133), (9, 14281185), (15, 8568711), (27, 4760395), (45, 2856237), (47, 2734695), (135, 952079), (141, 911565), (235, 546939), (423, 303855), (431, 298215), (705, 182313), (1269, 101285), (1293, 99405), (2115, 60771), (2155, 59643), (2209, 58185), (3879, 33135), (6345, 20257), (6465, 19881), (6627, 19395), (11045, 11637)]