289721397

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1693}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 458599680

約数和(自身を除く): 168878283

約数列:

[1, 3, 7, 21, 29, 87, 203, 281, 609, 843, 1693, 1967, 5079, 5901, 8149, 11851, 24447, 35553, 49097, 57043, 147291, 171129, 343679, 475733, 1031037, 1427199, 3330131, 9990393, 13796257, 41388771, 96573799, 289721397]

約数ペア:

[(1, 289721397), (3, 96573799), (7, 41388771), (21, 13796257), (29, 9990393), (87, 3330131), (203, 1427199), (281, 1031037), (609, 475733), (843, 343679), (1693, 171129), (1967, 147291), (5079, 57043), (5901, 49097), (8149, 35553), (11851, 24447)]