20170821

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 29821792

約数和(自身を除く): 9650971

約数列:

[1, 3, 11, 33, 121, 181, 307, 363, 543, 921, 1991, 3377, 5973, 10131, 21901, 37147, 55567, 65703, 111441, 166701, 611237, 1833711, 6723607, 20170821]

約数ペア:

[(1, 20170821), (3, 6723607), (11, 1833711), (33, 611237), (121, 166701), (181, 111441), (307, 65703), (363, 55567), (543, 37147), (921, 21901), (1991, 10131), (3377, 5973)]