221522691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3359}}^1$

素因数の和:3483

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 117165309

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 3359, 3471, 5073, 10077, 21983, 43667, 63821, 65949, 131001, 191463, 298951, 829673, 896853, 2489019, 3886363, 5680069, 11659089, 17040207, 73840897, 221522691]

約数ペア:

[(1, 221522691), (3, 73840897), (13, 17040207), (19, 11659089), (39, 5680069), (57, 3886363), (89, 2489019), (247, 896853), (267, 829673), (741, 298951), (1157, 191463), (1691, 131001), (3359, 65949), (3471, 63821), (5073, 43667), (10077, 21983)]