12712539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 20623360

約数和(自身を除く): 7910821

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 211, 399, 453, 633, 1057, 1477, 2869, 3171, 4009, 4431, 8607, 12027, 20083, 28063, 31861, 60249, 84189, 95583, 223027, 605359, 669081, 1816077, 4237513, 12712539]

約数ペア:

[(1, 12712539), (3, 4237513), (7, 1816077), (19, 669081), (21, 605359), (57, 223027), (133, 95583), (151, 84189), (211, 60249), (399, 31861), (453, 28063), (633, 20083), (1057, 12027), (1477, 8607), (2869, 4431), (3171, 4009)]