28528785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 53002560

約数和(自身を除く): 24473775

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 547, 549, 855, 915, 1159, 1641, 2735, 2745, 3477, 4923, 5795, 8205, 10393, 10431, 17385, 24615, 31179, 33367, 51965, 52155, 93537, 100101, 155895, 166835, 300303, 467685, 500505, 633973, 1501515, 1901919, 3169865, 5705757, 9509595, 28528785]

約数ペア:

[(1, 28528785), (3, 9509595), (5, 5705757), (9, 3169865), (15, 1901919), (19, 1501515), (45, 633973), (57, 500505), (61, 467685), (95, 300303), (171, 166835), (183, 155895), (285, 100101), (305, 93537), (547, 52155), (549, 51965), (855, 33367), (915, 31179), (1159, 24615), (1641, 17385), (2735, 10431), (2745, 10393), (3477, 8205), (4923, 5795)]