311910921

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^4$

素因数の和:136

約数の個数: 45

約数和(自身を含む): 542812881

約数和(自身を除く): 230901960

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 841, 1421, 1827, 2523, 4263, 5887, 7569, 12789, 17661, 24389, 41209, 52983, 73167, 123627, 170723, 219501, 370881, 512169, 707281, 1195061, 1536507, 2121843, 3585183, 4950967, 6365529, 10755549, 14852901, 34656769, 44558703, 103970307, 311910921]

約数ペア:

[(1, 311910921), (3, 103970307), (7, 44558703), (9, 34656769), (21, 14852901), (29, 10755549), (49, 6365529), (63, 4950967), (87, 3585183), (147, 2121843), (203, 1536507), (261, 1195061), (441, 707281), (609, 512169), (841, 370881), (1421, 219501), (1827, 170723), (2523, 123627), (4263, 73167), (5887, 52983), (7569, 41209), (12789, 24389)]