8156025

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 15385920

約数和(自身を除く): 7229895

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 281, 387, 645, 675, 843, 1075, 1161, 1405, 1935, 2529, 3225, 4215, 5805, 7025, 7587, 9675, 12083, 12645, 21075, 29025, 36249, 37935, 60415, 63225, 108747, 181245, 189675, 302075, 326241, 543735, 906225, 1631205, 2718675, 8156025]

約数ペア:

[(1, 8156025), (3, 2718675), (5, 1631205), (9, 906225), (15, 543735), (25, 326241), (27, 302075), (43, 189675), (45, 181245), (75, 108747), (129, 63225), (135, 60415), (215, 37935), (225, 36249), (281, 29025), (387, 21075), (645, 12645), (675, 12083), (843, 9675), (1075, 7587), (1161, 7025), (1405, 5805), (1935, 4215), (2529, 3225)]