64745265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1$

素因数の和:19569

約数の個数: 32

約数和(自身を含む): 118129536

約数和(自身を除く): 53384271

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 19531, 58593, 97655, 253903, 292965, 332027, 761709, 996081, 1269515, 1660135, 3808545, 4316351, 4980405, 12949053, 21581755, 64745265]

約数ペア:

[(1, 64745265), (3, 21581755), (5, 12949053), (13, 4980405), (15, 4316351), (17, 3808545), (39, 1660135), (51, 1269515), (65, 996081), (85, 761709), (195, 332027), (221, 292965), (255, 253903), (663, 97655), (1105, 58593), (3315, 19531)]