2020697925

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4783}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 3445398528

約数和(自身を除く): 1424700603

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 131, 215, 393, 645, 655, 1075, 1965, 3225, 3275, 4783, 5633, 9825, 14349, 16899, 23915, 28165, 71745, 84495, 119575, 140825, 205669, 358725, 422475, 617007, 626573, 1028345, 1879719, 3085035, 3132865, 5141725, 9398595, 15425175, 15664325, 26942639, 46992975, 80827917, 134713195, 404139585, 673565975, 2020697925]

約数ペア:

[(1, 2020697925), (3, 673565975), (5, 404139585), (15, 134713195), (25, 80827917), (43, 46992975), (75, 26942639), (129, 15664325), (131, 15425175), (215, 9398595), (393, 5141725), (645, 3132865), (655, 3085035), (1075, 1879719), (1965, 1028345), (3225, 626573), (3275, 617007), (4783, 422475), (5633, 358725), (9825, 205669), (14349, 140825), (16899, 119575), (23915, 84495), (28165, 71745)]