1905975

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 3510936

約数和(自身を除く): 1604961

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 197, 215, 225, 387, 591, 645, 985, 1075, 1773, 1935, 2955, 3225, 4925, 8471, 8865, 9675, 14775, 25413, 42355, 44325, 76239, 127065, 211775, 381195, 635325, 1905975]

約数ペア:

[(1, 1905975), (3, 635325), (5, 381195), (9, 211775), (15, 127065), (25, 76239), (43, 44325), (45, 42355), (75, 25413), (129, 14775), (197, 9675), (215, 8865), (225, 8471), (387, 4925), (591, 3225), (645, 2955), (985, 1935), (1075, 1773)]