218589075

素因数分解:

$3^2\times 5^2\times {\mathrm{439}}^1\times {\mathrm{2213}}^1$

素因数の和:2668

約数の個数: 36

約数和(自身を含む): 392586480

約数和(自身を除く): 173997405

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 439, 1317, 2195, 2213, 3951, 6585, 6639, 10975, 11065, 19755, 19917, 32925, 33195, 55325, 98775, 99585, 165975, 497925, 971507, 2914521, 4857535, 8743563, 14572605, 24287675, 43717815, 72863025, 218589075]

約数ペア:

[(1, 218589075), (3, 72863025), (5, 43717815), (9, 24287675), (15, 14572605), (25, 8743563), (45, 4857535), (75, 2914521), (225, 971507), (439, 497925), (1317, 165975), (2195, 99585), (2213, 98775), (3951, 55325), (6585, 33195), (6639, 32925), (10975, 19917), (11065, 19755)]