128474895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1213}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 215373312

約数和(自身を除く): 86898417

約数列:

[1, 3, 5, 15, 23, 69, 115, 307, 345, 921, 1213, 1535, 3639, 4605, 6065, 7061, 18195, 21183, 27899, 35305, 83697, 105915, 139495, 372391, 418485, 1117173, 1861955, 5585865, 8564993, 25694979, 42824965, 128474895]

約数ペア:

[(1, 128474895), (3, 42824965), (5, 25694979), (15, 8564993), (23, 5585865), (69, 1861955), (115, 1117173), (307, 418485), (345, 372391), (921, 139495), (1213, 105915), (1535, 83697), (3639, 35305), (4605, 27899), (6065, 21183), (7061, 18195)]