208380201621

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1\times {\mathrm{8623}}^1$

素因数の和:9905

約数の個数: 32

約数和(自身を含む): 284865208320

約数和(自身を除く): 76485006699

約数列:

[1, 3, 67, 109, 201, 327, 1103, 3309, 7303, 8623, 21909, 25869, 73901, 120227, 221703, 360681, 577741, 939907, 1733223, 2819721, 8055209, 9511169, 24165627, 28533507, 62973769, 188921307, 637248323, 1036717421, 1911744969, 3110152263, 69460067207, 208380201621]

約数ペア:

[(1, 208380201621), (3, 69460067207), (67, 3110152263), (109, 1911744969), (201, 1036717421), (327, 637248323), (1103, 188921307), (3309, 62973769), (7303, 28533507), (8623, 24165627), (21909, 9511169), (25869, 8055209), (73901, 2819721), (120227, 1733223), (221703, 939907), (360681, 577741)]