51705537

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 75590592

約数和(自身を除く): 23885055

約数列:

[1, 3, 13, 39, 71, 213, 263, 789, 923, 2769, 3419, 5041, 10257, 15123, 18673, 56019, 65533, 196599, 242749, 728247, 1325783, 3977349, 17235179, 51705537]

約数ペア:

[(1, 51705537), (3, 17235179), (13, 3977349), (39, 1325783), (71, 728247), (213, 242749), (263, 196599), (789, 65533), (923, 56019), (2769, 18673), (3419, 15123), (5041, 10257)]