16116921

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 25488000

約数和(自身を除く): 9371079

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 353, 513, 801, 1059, 1691, 2403, 3177, 5073, 6707, 9531, 15219, 20121, 31417, 45657, 60363, 94251, 181089, 282753, 596923, 848259, 1790769, 5372307, 16116921]

約数ペア:

[(1, 16116921), (3, 5372307), (9, 1790769), (19, 848259), (27, 596923), (57, 282753), (89, 181089), (171, 94251), (267, 60363), (353, 45657), (513, 31417), (801, 20121), (1059, 15219), (1691, 9531), (2403, 6707), (3177, 5073)]