220772013

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3307}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 389973504

約数和(自身を除く): 169201491

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 357, 561, 867, 1309, 2023, 3179, 3307, 3927, 6069, 9537, 9921, 22253, 23149, 36377, 56219, 66759, 69447, 109131, 168657, 254639, 393533, 618409, 763917, 955723, 1180599, 1855227, 2867169, 4328863, 6690061, 10512953, 12986589, 20070183, 31538859, 73590671, 220772013]

約数ペア:

[(1, 220772013), (3, 73590671), (7, 31538859), (11, 20070183), (17, 12986589), (21, 10512953), (33, 6690061), (51, 4328863), (77, 2867169), (119, 1855227), (187, 1180599), (231, 955723), (289, 763917), (357, 618409), (561, 393533), (867, 254639), (1309, 168657), (2023, 109131), (3179, 69447), (3307, 66759), (3927, 56219), (6069, 36377), (9537, 23149), (9921, 22253)]