71815809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 107347968

約数和(自身を除く): 35532159

約数列:

[1, 3, 13, 31, 39, 93, 191, 311, 403, 573, 933, 1209, 2483, 4043, 5921, 7449, 9641, 12129, 17763, 28923, 59401, 76973, 125333, 178203, 230919, 375999, 772213, 1841431, 2316639, 5524293, 23938603, 71815809]

約数ペア:

[(1, 71815809), (3, 23938603), (13, 5524293), (31, 2316639), (39, 1841431), (93, 772213), (191, 375999), (311, 230919), (403, 178203), (573, 125333), (933, 76973), (1209, 59401), (2483, 28923), (4043, 17763), (5921, 12129), (7449, 9641)]