31049109

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12637}}^1$

素因数の和:12666

約数の個数: 32

約数和(自身を含む): 56618240

約数和(自身を除く): 25569131

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 12637, 37911, 88459, 113733, 164281, 265377, 341199, 492843, 796131, 1149967, 1478529, 2388393, 3449901, 4435587, 10349703, 31049109]

約数ペア:

[(1, 31049109), (3, 10349703), (7, 4435587), (9, 3449901), (13, 2388393), (21, 1478529), (27, 1149967), (39, 796131), (63, 492843), (91, 341199), (117, 265377), (189, 164281), (273, 113733), (351, 88459), (819, 37911), (2457, 12637)]