51570729

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 91267200

約数和(自身を除く): 39696471

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 97, 189, 203, 261, 291, 609, 679, 783, 873, 1827, 2037, 2619, 2813, 5481, 6111, 8439, 9409, 18333, 19691, 25317, 28227, 59073, 65863, 75951, 84681, 177219, 197589, 254043, 272861, 531657, 592767, 818583, 1778301, 1910027, 2455749, 5730081, 7367247, 17190243, 51570729]

約数ペア:

[(1, 51570729), (3, 17190243), (7, 7367247), (9, 5730081), (21, 2455749), (27, 1910027), (29, 1778301), (63, 818583), (87, 592767), (97, 531657), (189, 272861), (203, 254043), (261, 197589), (291, 177219), (609, 84681), (679, 75951), (783, 65863), (873, 59073), (1827, 28227), (2037, 25317), (2619, 19691), (2813, 18333), (5481, 9409), (6111, 8439)]