208040025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2179}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 367635200

約数和(自身を除く): 159595175

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 201, 285, 335, 475, 1005, 1273, 1425, 1675, 2179, 3819, 5025, 6365, 6537, 10895, 19095, 31825, 32685, 41401, 54475, 95475, 124203, 145993, 163425, 207005, 437979, 621015, 729965, 1035025, 2189895, 2773867, 3105075, 3649825, 8321601, 10949475, 13869335, 41608005, 69346675, 208040025]

約数ペア:

[(1, 208040025), (3, 69346675), (5, 41608005), (15, 13869335), (19, 10949475), (25, 8321601), (57, 3649825), (67, 3105075), (75, 2773867), (95, 2189895), (201, 1035025), (285, 729965), (335, 621015), (475, 437979), (1005, 207005), (1273, 163425), (1425, 145993), (1675, 124203), (2179, 95475), (3819, 54475), (5025, 41401), (6365, 32685), (6537, 31825), (10895, 19095)]