1639231671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{228911}}^1$

素因数の和:228963

約数の個数: 32

約数和(自身を含む): 2812870656

約数和(自身を除く): 1173638985

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 228911, 686733, 1602377, 2518021, 4807131, 7096241, 7554063, 17626147, 21288723, 49673687, 52878441, 78058651, 149021061, 234175953, 546410557, 1639231671]

約数ペア:

[(1, 1639231671), (3, 546410557), (7, 234175953), (11, 149021061), (21, 78058651), (31, 52878441), (33, 49673687), (77, 21288723), (93, 17626147), (217, 7554063), (231, 7096241), (341, 4807131), (651, 2518021), (1023, 1602377), (2387, 686733), (7161, 228911)]