65005209

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{1609}}^1$

素因数の和:1749

約数の個数: 18

約数和(自身を含む): 95378010

約数和(自身を除く): 30372801

約数列:

[1, 3, 9, 67, 201, 603, 1609, 4489, 4827, 13467, 14481, 40401, 107803, 323409, 970227, 7222801, 21668403, 65005209]

約数ペア:

[(1, 65005209), (3, 21668403), (9, 7222801), (67, 970227), (201, 323409), (603, 107803), (1609, 40401), (4489, 14481), (4827, 13467)]