17445519

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 33611760

約数和(自身を除く): 16166241

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 179, 221, 273, 357, 441, 537, 637, 663, 819, 833, 1071, 1253, 1547, 1611, 1911, 1989, 2327, 2499, 3043, 3759, 4641, 5733, 6981, 7497, 8771, 9129, 10829, 11277, 13923, 16289, 20943, 21301, 26313, 27387, 32487, 39559, 48867, 63903, 78939, 97461, 114023, 118677, 146601, 149107, 191709, 276913, 342069, 356031, 447321, 830739, 1026207, 1341963, 1938391, 2492217, 5815173, 17445519]

約数ペア:

[(1, 17445519), (3, 5815173), (7, 2492217), (9, 1938391), (13, 1341963), (17, 1026207), (21, 830739), (39, 447321), (49, 356031), (51, 342069), (63, 276913), (91, 191709), (117, 149107), (119, 146601), (147, 118677), (153, 114023), (179, 97461), (221, 78939), (273, 63903), (357, 48867), (441, 39559), (537, 32487), (637, 27387), (663, 26313), (819, 21301), (833, 20943), (1071, 16289), (1253, 13923), (1547, 11277), (1611, 10829), (1911, 9129), (1989, 8771), (2327, 7497), (2499, 6981), (3043, 5733), (3759, 4641)]