208023123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3323}}^1$

素因数の和:3615

約数の個数: 32

約数和(自身を含む): 347185152

約数和(自身を除く): 139162029

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1897, 2981, 3323, 5691, 8943, 9969, 20867, 23261, 36553, 62601, 69783, 109659, 255871, 767613, 900533, 2701599, 6303731, 9905863, 18911193, 29717589, 69341041, 208023123]

約数ペア:

[(1, 208023123), (3, 69341041), (7, 29717589), (11, 18911193), (21, 9905863), (33, 6303731), (77, 2701599), (231, 900533), (271, 767613), (813, 255871), (1897, 109659), (2981, 69783), (3323, 62601), (5691, 36553), (8943, 23261), (9969, 20867)]