1720341

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 2987712

約数和(自身を除く): 1267371

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 83, 141, 147, 249, 329, 423, 441, 581, 747, 987, 1743, 2303, 2961, 3901, 4067, 5229, 6909, 11703, 12201, 20727, 27307, 35109, 36603, 81921, 191149, 245763, 573447, 1720341]

約数ペア:

[(1, 1720341), (3, 573447), (7, 245763), (9, 191149), (21, 81921), (47, 36603), (49, 35109), (63, 27307), (83, 20727), (141, 12201), (147, 11703), (249, 6909), (329, 5229), (423, 4067), (441, 3901), (581, 2961), (747, 2303), (987, 1743)]