61561409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 80424960

約数和(自身を除く): 18863551

約数列:

[1, 7, 13, 23, 67, 91, 161, 299, 439, 469, 871, 1541, 2093, 3073, 5707, 6097, 10097, 10787, 20033, 29413, 39949, 70679, 131261, 140231, 205891, 382369, 676499, 918827, 2676583, 4735493, 8794487, 61561409]

約数ペア:

[(1, 61561409), (7, 8794487), (13, 4735493), (23, 2676583), (67, 918827), (91, 676499), (161, 382369), (299, 205891), (439, 140231), (469, 131261), (871, 70679), (1541, 39949), (2093, 29413), (3073, 20033), (5707, 10787), (6097, 10097)]