289339905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2593}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 476631936

約数和(自身を除く): 187292031

約数列:

[1, 3, 5, 15, 43, 129, 173, 215, 519, 645, 865, 2593, 2595, 7439, 7779, 12965, 22317, 37195, 38895, 111499, 111585, 334497, 448589, 557495, 1345767, 1672485, 2242945, 6728835, 19289327, 57867981, 96446635, 289339905]

約数ペア:

[(1, 289339905), (3, 96446635), (5, 57867981), (15, 19289327), (43, 6728835), (129, 2242945), (173, 1672485), (215, 1345767), (519, 557495), (645, 448589), (865, 334497), (2593, 111585), (2595, 111499), (7439, 38895), (7779, 37195), (12965, 22317)]