291213111

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15391}}^1$

素因数の和:15471

約数の個数: 32

約数和(自身を含む): 478752768

約数和(自身を除く): 187539657

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 15391, 18921, 46173, 107737, 261647, 323211, 784941, 815723, 1831529, 2447169, 5494587, 5710061, 13867291, 17130183, 41601873, 97071037, 291213111]

約数ペア:

[(1, 291213111), (3, 97071037), (7, 41601873), (17, 17130183), (21, 13867291), (51, 5710061), (53, 5494587), (119, 2447169), (159, 1831529), (357, 815723), (371, 784941), (901, 323211), (1113, 261647), (2703, 107737), (6307, 46173), (15391, 18921)]