720225

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 1458240

約数和(自身を除く): 738015

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 97, 99, 135, 165, 225, 275, 291, 297, 485, 495, 675, 825, 873, 1067, 1455, 1485, 2425, 2475, 2619, 3201, 4365, 5335, 7275, 7425, 9603, 13095, 16005, 21825, 26675, 28809, 48015, 65475, 80025, 144045, 240075, 720225]

約数ペア:

[(1, 720225), (3, 240075), (5, 144045), (9, 80025), (11, 65475), (15, 48015), (25, 28809), (27, 26675), (33, 21825), (45, 16005), (55, 13095), (75, 9603), (97, 7425), (99, 7275), (135, 5335), (165, 4365), (225, 3201), (275, 2619), (291, 2475), (297, 2425), (485, 1485), (495, 1455), (675, 1067), (825, 873)]