81215526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21727}}^1$

素因数の和:21828

約数の個数: 32

約数和(自身を含む): 187729920

約数和(自身を除く): 106514394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 21727, 43454, 65181, 130362, 152089, 304178, 456267, 912534, 1933703, 3867406, 5801109, 11602218, 13535921, 27071842, 40607763, 81215526]

約数ペア:

[(1, 81215526), (2, 40607763), (3, 27071842), (6, 13535921), (7, 11602218), (14, 5801109), (21, 3867406), (42, 1933703), (89, 912534), (178, 456267), (267, 304178), (534, 152089), (623, 130362), (1246, 65181), (1869, 43454), (3738, 21727)]