398422311

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 616232448

約数和(自身を除く): 217810137

約数列:

[1, 3, 7, 21, 107, 233, 321, 699, 749, 761, 1631, 2247, 2283, 4893, 5327, 15981, 24931, 74793, 81427, 174517, 177313, 244281, 523551, 531939, 569989, 1241191, 1709967, 3723573, 18972491, 56917473, 132807437, 398422311]

約数ペア:

[(1, 398422311), (3, 132807437), (7, 56917473), (21, 18972491), (107, 3723573), (233, 1709967), (321, 1241191), (699, 569989), (749, 531939), (761, 523551), (1631, 244281), (2247, 177313), (2283, 174517), (4893, 81427), (5327, 74793), (15981, 24931)]