173205921

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 269475840

約数和(自身を除く): 96269919

約数列:

[1, 3, 7, 21, 67, 201, 257, 469, 479, 771, 1407, 1437, 1799, 3353, 5397, 10059, 17219, 32093, 51657, 96279, 120533, 123103, 224651, 361599, 369309, 673953, 861721, 2585163, 8247901, 24743703, 57735307, 173205921]

約数ペア:

[(1, 173205921), (3, 57735307), (7, 24743703), (21, 8247901), (67, 2585163), (201, 861721), (257, 673953), (469, 369309), (479, 361599), (771, 224651), (1407, 123103), (1437, 120533), (1799, 96279), (3353, 51657), (5397, 32093), (10059, 17219)]