2742873

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 4355712

約数和(自身を除く): 1612839

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 397, 987, 1191, 2303, 2779, 6909, 8337, 18659, 19453, 55977, 58359, 130613, 391839, 914291, 2742873]

約数ペア:

[(1, 2742873), (3, 914291), (7, 391839), (21, 130613), (47, 58359), (49, 55977), (141, 19453), (147, 18659), (329, 8337), (397, 6909), (987, 2779), (1191, 2303)]