64897755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19577}}^1$

素因数の和:19615

約数の個数: 32

約数和(自身を含む): 118407744

約数和(自身を除く): 53509989

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 19577, 58731, 97885, 254501, 293655, 332809, 763503, 998427, 1272505, 1664045, 3817515, 4326517, 4992135, 12979551, 21632585, 64897755]

約数ペア:

[(1, 64897755), (3, 21632585), (5, 12979551), (13, 4992135), (15, 4326517), (17, 3817515), (39, 1664045), (51, 1272505), (65, 998427), (85, 763503), (195, 332809), (221, 293655), (255, 254501), (663, 97885), (1105, 58731), (3315, 19577)]