2989935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 5896800

約数和(自身を除く): 2906865

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 269, 285, 585, 741, 807, 855, 1235, 1345, 2223, 2421, 3497, 3705, 4035, 5111, 10491, 11115, 12105, 15333, 17485, 25555, 31473, 45999, 52455, 66443, 76665, 157365, 199329, 229995, 332215, 597987, 996645, 2989935]

約数ペア:

[(1, 2989935), (3, 996645), (5, 597987), (9, 332215), (13, 229995), (15, 199329), (19, 157365), (39, 76665), (45, 66443), (57, 52455), (65, 45999), (95, 31473), (117, 25555), (171, 17485), (195, 15333), (247, 12105), (269, 11115), (285, 10491), (585, 5111), (741, 4035), (807, 3705), (855, 3497), (1235, 2421), (1345, 2223)]