18523431

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 29131200

約数和(自身を除く): 10607769

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 577, 783, 1107, 1189, 1731, 3567, 5193, 10701, 15579, 16733, 23657, 32103, 50199, 70971, 150597, 212913, 451791, 638739, 686053, 2058159, 6174477, 18523431]

約数ペア:

[(1, 18523431), (3, 6174477), (9, 2058159), (27, 686053), (29, 638739), (41, 451791), (87, 212913), (123, 150597), (261, 70971), (369, 50199), (577, 32103), (783, 23657), (1107, 16733), (1189, 15579), (1731, 10701), (3567, 5193)]