72972543

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 42596097

約数列:

[1, 3, 7, 21, 31, 93, 197, 217, 569, 591, 651, 1379, 1707, 3983, 4137, 6107, 11949, 17639, 18321, 42749, 52917, 112093, 123473, 128247, 336279, 370419, 784651, 2353953, 3474883, 10424649, 24324181, 72972543]

約数ペア:

[(1, 72972543), (3, 24324181), (7, 10424649), (21, 3474883), (31, 2353953), (93, 784651), (197, 370419), (217, 336279), (569, 128247), (591, 123473), (651, 112093), (1379, 52917), (1707, 42749), (3983, 18321), (4137, 17639), (6107, 11949)]