2815425

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 5346880

約数和(自身を除く): 2531455

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 97, 129, 135, 215, 225, 291, 387, 485, 645, 675, 873, 1075, 1161, 1455, 1935, 2425, 2619, 3225, 4171, 4365, 5805, 7275, 9675, 12513, 13095, 20855, 21825, 29025, 37539, 62565, 65475, 104275, 112617, 187695, 312825, 563085, 938475, 2815425]

約数ペア:

[(1, 2815425), (3, 938475), (5, 563085), (9, 312825), (15, 187695), (25, 112617), (27, 104275), (43, 65475), (45, 62565), (75, 37539), (97, 29025), (129, 21825), (135, 20855), (215, 13095), (225, 12513), (291, 9675), (387, 7275), (485, 5805), (645, 4365), (675, 4171), (873, 3225), (1075, 2619), (1161, 2425), (1455, 1935)]