201978975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5209}}^1$

素因数の和:5280

約数の個数: 48

約数和(自身を含む): 372119040

約数和(自身を除く): 170140065

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1551, 2585, 3525, 5209, 7755, 12925, 15627, 26045, 38775, 57299, 78135, 130225, 171897, 244823, 286495, 390675, 734469, 859485, 1224115, 1432475, 2693053, 3672345, 4297425, 6120575, 8079159, 13465265, 18361725, 40395795, 67326325, 201978975]

約数ペア:

[(1, 201978975), (3, 67326325), (5, 40395795), (11, 18361725), (15, 13465265), (25, 8079159), (33, 6120575), (47, 4297425), (55, 3672345), (75, 2693053), (141, 1432475), (165, 1224115), (235, 859485), (275, 734469), (517, 390675), (705, 286495), (825, 244823), (1175, 171897), (1551, 130225), (2585, 78135), (3525, 57299), (5209, 38775), (7755, 26045), (12925, 15627)]