1781871

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 2999808

約数和(自身を除く): 1217937

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 107, 183, 273, 321, 427, 749, 793, 1281, 1391, 2247, 2379, 4173, 5551, 6527, 9737, 16653, 19581, 29211, 45689, 84851, 137067, 254553, 593957, 1781871]

約数ペア:

[(1, 1781871), (3, 593957), (7, 254553), (13, 137067), (21, 84851), (39, 45689), (61, 29211), (91, 19581), (107, 16653), (183, 9737), (273, 6527), (321, 5551), (427, 4173), (749, 2379), (793, 2247), (1281, 1391)]