745635681

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 1262926080

約数和(自身を除く): 517290399

約数列:

[1, 3, 7, 9, 21, 63, 71, 89, 213, 267, 497, 623, 639, 801, 1491, 1869, 1873, 4473, 5607, 5619, 6319, 13111, 16857, 18957, 39333, 44233, 56871, 117999, 132699, 132983, 166697, 398097, 398949, 500091, 930881, 1166879, 1196847, 1500273, 2792643, 3500637, 8377929, 10501911, 11835487, 35506461, 82848409, 106519383, 248545227, 745635681]

約数ペア:

[(1, 745635681), (3, 248545227), (7, 106519383), (9, 82848409), (21, 35506461), (63, 11835487), (71, 10501911), (89, 8377929), (213, 3500637), (267, 2792643), (497, 1500273), (623, 1196847), (639, 1166879), (801, 930881), (1491, 500091), (1869, 398949), (1873, 398097), (4473, 166697), (5607, 132983), (5619, 132699), (6319, 117999), (13111, 56871), (16857, 44233), (18957, 39333)]