2187133075505

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{20781349}}^1$

素因数の和:20781489

約数の個数: 32

約数和(自身を含む): 3128175052800

約数和(自身を除く): 941041977295

約数列:

[1, 5, 7, 31, 35, 97, 155, 217, 485, 679, 1085, 3007, 3395, 15035, 21049, 105245, 20781349, 103906745, 145469443, 644221819, 727347215, 2015790853, 3221109095, 4509552733, 10078954265, 14110535971, 22547763665, 62489516443, 70552679855, 312447582215, 437426615101, 2187133075505]

約数ペア:

[(1, 2187133075505), (5, 437426615101), (7, 312447582215), (31, 70552679855), (35, 62489516443), (97, 22547763665), (155, 14110535971), (217, 10078954265), (485, 4509552733), (679, 3221109095), (1085, 2015790853), (3007, 727347215), (3395, 644221819), (15035, 145469443), (21049, 103906745), (105245, 20781349)]