66438495

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 124323840

約数和(自身を除く): 57885345

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 47, 111, 135, 141, 185, 235, 283, 333, 423, 555, 705, 849, 999, 1269, 1415, 1665, 1739, 2115, 2547, 4245, 4995, 5217, 6345, 7641, 8695, 10471, 12735, 13301, 15651, 26085, 31413, 38205, 39903, 46953, 52355, 66505, 78255, 94239, 119709, 157065, 199515, 234765, 282717, 359127, 471195, 492137, 598545, 1413585, 1476411, 1795635, 2460685, 4429233, 7382055, 13287699, 22146165, 66438495]

約数ペア:

[(1, 66438495), (3, 22146165), (5, 13287699), (9, 7382055), (15, 4429233), (27, 2460685), (37, 1795635), (45, 1476411), (47, 1413585), (111, 598545), (135, 492137), (141, 471195), (185, 359127), (235, 282717), (283, 234765), (333, 199515), (423, 157065), (555, 119709), (705, 94239), (849, 78255), (999, 66505), (1269, 52355), (1415, 46953), (1665, 39903), (1739, 38205), (2115, 31413), (2547, 26085), (4245, 15651), (4995, 13301), (5217, 12735), (6345, 10471), (7641, 8695)]