9991863

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 7518537

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1823, 1827, 5469, 5481, 12761, 16407, 38283, 49221, 52867, 114849, 158601, 344547, 370069, 475803, 1110207, 1427409, 3330621, 9991863]

約数ペア:

[(1, 9991863), (3, 3330621), (7, 1427409), (9, 1110207), (21, 475803), (27, 370069), (29, 344547), (63, 158601), (87, 114849), (189, 52867), (203, 49221), (261, 38283), (609, 16407), (783, 12761), (1823, 5481), (1827, 5469)]