161291221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{7607}}^1$

素因数の和:7860

約数の個数: 16

約数和(自身を含む): 199390464

約数和(自身を除く): 38099243

約数列:

[1, 7, 13, 91, 233, 1631, 3029, 7607, 21203, 53249, 98891, 692237, 1772431, 12407017, 23041603, 161291221]

約数ペア:

[(1, 161291221), (7, 23041603), (13, 12407017), (91, 1772431), (233, 692237), (1631, 98891), (3029, 53249), (7607, 21203)]