201471921

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20113}}^1$

素因数の和:20182

約数の個数: 32

約数和(自身を含む): 347569920

約数和(自身を除く): 146097999

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 20113, 60339, 140791, 181017, 422373, 543051, 1065989, 1267119, 3197967, 3801357, 7461923, 9593901, 22385769, 28781703, 67157307, 201471921]

約数ペア:

[(1, 201471921), (3, 67157307), (7, 28781703), (9, 22385769), (21, 9593901), (27, 7461923), (53, 3801357), (63, 3197967), (159, 1267119), (189, 1065989), (371, 543051), (477, 422373), (1113, 181017), (1431, 140791), (3339, 60339), (10017, 20113)]