9971811

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 15275520

約数和(自身を除く): 5303709

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 719, 1541, 2157, 4623, 6471, 13869, 16537, 48173, 49611, 144519, 148833, 433557, 1107979, 3323937, 9971811]

約数ペア:

[(1, 9971811), (3, 3323937), (9, 1107979), (23, 433557), (67, 148833), (69, 144519), (201, 49611), (207, 48173), (603, 16537), (719, 13869), (1541, 6471), (2157, 4623)]