18005625

素因数分解:

$3^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 36738240

約数和(自身を除く): 18732615

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 97, 99, 125, 135, 165, 225, 275, 291, 297, 375, 485, 495, 625, 675, 825, 873, 1067, 1125, 1375, 1455, 1485, 1875, 2425, 2475, 2619, 3201, 3375, 4125, 4365, 5335, 5625, 6875, 7275, 7425, 9603, 12125, 12375, 13095, 16005, 16875, 20625, 21825, 26675, 28809, 36375, 37125, 48015, 60625, 61875, 65475, 80025, 109125, 133375, 144045, 181875, 185625, 240075, 327375, 400125, 545625, 666875, 720225, 1200375, 1636875, 2000625, 3601125, 6001875, 18005625]

約数ペア:

[(1, 18005625), (3, 6001875), (5, 3601125), (9, 2000625), (11, 1636875), (15, 1200375), (25, 720225), (27, 666875), (33, 545625), (45, 400125), (55, 327375), (75, 240075), (97, 185625), (99, 181875), (125, 144045), (135, 133375), (165, 109125), (225, 80025), (275, 65475), (291, 61875), (297, 60625), (375, 48015), (485, 37125), (495, 36375), (625, 28809), (675, 26675), (825, 21825), (873, 20625), (1067, 16875), (1125, 16005), (1375, 13095), (1455, 12375), (1485, 12125), (1875, 9603), (2425, 7425), (2475, 7275), (2619, 6875), (3201, 5625), (3375, 5335), (4125, 4365)]