685909749

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1\times {\mathrm{1433}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 1092501504

約数和(自身を除く): 406591755

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 991, 1433, 2973, 4299, 6937, 10031, 20811, 22793, 30093, 32959, 68379, 98877, 159551, 230713, 478653, 692139, 1420103, 4260309, 9940721, 29822163, 32662369, 97987107, 228636583, 685909749]

約数ペア:

[(1, 685909749), (3, 228636583), (7, 97987107), (21, 32662369), (23, 29822163), (69, 9940721), (161, 4260309), (483, 1420103), (991, 692139), (1433, 478653), (2973, 230713), (4299, 159551), (6937, 98877), (10031, 68379), (20811, 32959), (22793, 30093)]