215517027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 106409373

約数列:

[1, 3, 11, 33, 53, 149, 159, 447, 583, 827, 1639, 1749, 2481, 4917, 7897, 9097, 23691, 27291, 43831, 86867, 123223, 131493, 260601, 369669, 482141, 1355453, 1446423, 4066359, 6530819, 19592457, 71839009, 215517027]

約数ペア:

[(1, 215517027), (3, 71839009), (11, 19592457), (33, 6530819), (53, 4066359), (149, 1446423), (159, 1355453), (447, 482141), (583, 369669), (827, 260601), (1639, 131493), (1749, 123223), (2481, 86867), (4917, 43831), (7897, 27291), (9097, 23691)]