64818195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19553}}^1$

素因数の和:19591

約数の個数: 32

約数和(自身を含む): 118262592

約数和(自身を除く): 53444397

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 19553, 58659, 97765, 254189, 293295, 332401, 762567, 997203, 1270945, 1662005, 3812835, 4321213, 4986015, 12963639, 21606065, 64818195]

約数ペア:

[(1, 64818195), (3, 21606065), (5, 12963639), (13, 4986015), (15, 4321213), (17, 3812835), (39, 1662005), (51, 1270945), (65, 997203), (85, 762567), (195, 332401), (221, 293295), (255, 254189), (663, 97765), (1105, 58659), (3315, 19553)]