2980887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2018793

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 179, 183, 273, 427, 537, 793, 1253, 1281, 2327, 2379, 3759, 5551, 6981, 10919, 16289, 16653, 32757, 48867, 76433, 141947, 229299, 425841, 993629, 2980887]

約数ペア:

[(1, 2980887), (3, 993629), (7, 425841), (13, 229299), (21, 141947), (39, 76433), (61, 48867), (91, 32757), (179, 16653), (183, 16289), (273, 10919), (427, 6981), (537, 5551), (793, 3759), (1253, 2379), (1281, 2327)]