64609779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 96687360

約数和(自身を除く): 32077581

約数列:

[1, 3, 13, 39, 43, 59, 129, 177, 559, 653, 767, 1677, 1959, 2301, 2537, 7611, 8489, 25467, 28079, 32981, 38527, 84237, 98943, 115581, 365027, 500851, 1095081, 1502553, 1656661, 4969983, 21536593, 64609779]

約数ペア:

[(1, 64609779), (3, 21536593), (13, 4969983), (39, 1656661), (43, 1502553), (59, 1095081), (129, 500851), (177, 365027), (559, 115581), (653, 98943), (767, 84237), (1677, 38527), (1959, 32981), (2301, 28079), (2537, 25467), (7611, 8489)]