9871281

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 17299200

約数和(自身を除く): 7427919

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1801, 1827, 5403, 5481, 12607, 16209, 37821, 48627, 52229, 113463, 156687, 340389, 365603, 470061, 1096809, 1410183, 3290427, 9871281]

約数ペア:

[(1, 9871281), (3, 3290427), (7, 1410183), (9, 1096809), (21, 470061), (27, 365603), (29, 340389), (63, 156687), (87, 113463), (189, 52229), (203, 48627), (261, 37821), (609, 16209), (783, 12607), (1801, 5481), (1827, 5403)]