223386723

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 386979840

約数和(自身を除く): 163593117

約数列:

[1, 3, 7, 9, 21, 37, 47, 63, 111, 141, 259, 329, 333, 423, 777, 987, 1739, 2039, 2331, 2961, 5217, 6117, 12173, 14273, 15651, 18351, 36519, 42819, 75443, 95833, 109557, 128457, 226329, 287499, 528101, 670831, 678987, 862497, 1584303, 2012493, 3545821, 4752909, 6037479, 10637463, 24820747, 31912389, 74462241, 223386723]

約数ペア:

[(1, 223386723), (3, 74462241), (7, 31912389), (9, 24820747), (21, 10637463), (37, 6037479), (47, 4752909), (63, 3545821), (111, 2012493), (141, 1584303), (259, 862497), (329, 678987), (333, 670831), (423, 528101), (777, 287499), (987, 226329), (1739, 128457), (2039, 109557), (2331, 95833), (2961, 75443), (5217, 42819), (6117, 36519), (12173, 18351), (14273, 15651)]