247359273

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{12491}}^1$

素因数の和:12565

約数の個数: 32

約数和(自身を含む): 402941952

約数和(自身を除く): 155582679

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 12491, 19803, 37473, 87437, 262311, 287293, 512131, 861879, 1536393, 2011051, 3584917, 6033153, 10754751, 11779013, 35337039, 82453091, 247359273]

約数ペア:

[(1, 247359273), (3, 82453091), (7, 35337039), (21, 11779013), (23, 10754751), (41, 6033153), (69, 3584917), (123, 2011051), (161, 1536393), (287, 861879), (483, 512131), (861, 287293), (943, 262311), (2829, 87437), (6601, 37473), (12491, 19803)]