1771929

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 2841600

約数和(自身を除く): 1069671

約数列:

[1, 3, 9, 27, 29, 31, 73, 87, 93, 219, 261, 279, 657, 783, 837, 899, 1971, 2117, 2263, 2697, 6351, 6789, 8091, 19053, 20367, 24273, 57159, 61101, 65627, 196881, 590643, 1771929]

約数ペア:

[(1, 1771929), (3, 590643), (9, 196881), (27, 65627), (29, 61101), (31, 57159), (73, 24273), (87, 20367), (93, 19053), (219, 8091), (261, 6789), (279, 6351), (657, 2697), (783, 2263), (837, 2117), (899, 1971)]