12509775

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 23569920

約数和(自身を除く): 11060145

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 431, 645, 675, 1075, 1161, 1293, 1935, 2155, 3225, 3879, 5805, 6465, 9675, 10775, 11637, 18533, 19395, 29025, 32325, 55599, 58185, 92665, 96975, 166797, 277995, 290925, 463325, 500391, 833985, 1389975, 2501955, 4169925, 12509775]

約数ペア:

[(1, 12509775), (3, 4169925), (5, 2501955), (9, 1389975), (15, 833985), (25, 500391), (27, 463325), (43, 290925), (45, 277995), (75, 166797), (129, 96975), (135, 92665), (215, 58185), (225, 55599), (387, 32325), (431, 29025), (645, 19395), (675, 18533), (1075, 11637), (1161, 10775), (1293, 9675), (1935, 6465), (2155, 5805), (3225, 3879)]