54091975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 81423360

約数和(自身を除く): 27331385

約数列:

[1, 5, 7, 23, 25, 35, 89, 115, 151, 161, 175, 445, 575, 623, 755, 805, 1057, 2047, 2225, 3115, 3473, 3775, 4025, 5285, 10235, 13439, 14329, 15575, 17365, 24311, 26425, 51175, 67195, 71645, 86825, 94073, 121555, 309097, 335975, 358225, 470365, 607775, 1545485, 2163679, 2351825, 7727425, 10818395, 54091975]

約数ペア:

[(1, 54091975), (5, 10818395), (7, 7727425), (23, 2351825), (25, 2163679), (35, 1545485), (89, 607775), (115, 470365), (151, 358225), (161, 335975), (175, 309097), (445, 121555), (575, 94073), (623, 86825), (755, 71645), (805, 67195), (1057, 51175), (2047, 26425), (2225, 24311), (3115, 17365), (3473, 15575), (3775, 14329), (4025, 13439), (5285, 10235)]