26699775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 47925504

約数和(自身を除く): 21225729

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 487, 645, 731, 1075, 1275, 1461, 2193, 2435, 3225, 3655, 7305, 8279, 10965, 12175, 18275, 20941, 24837, 36525, 41395, 54825, 62823, 104705, 124185, 206975, 314115, 355997, 523525, 620925, 1067991, 1570575, 1779985, 5339955, 8899925, 26699775]

約数ペア:

[(1, 26699775), (3, 8899925), (5, 5339955), (15, 1779985), (17, 1570575), (25, 1067991), (43, 620925), (51, 523525), (75, 355997), (85, 314115), (129, 206975), (215, 124185), (255, 104705), (425, 62823), (487, 54825), (645, 41395), (731, 36525), (1075, 24837), (1275, 20941), (1461, 18275), (2193, 12175), (2435, 10965), (3225, 8279), (3655, 7305)]