81633555

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 72642285

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 69, 115, 135, 183, 207, 305, 345, 431, 549, 621, 915, 1035, 1293, 1403, 1647, 2155, 2745, 3105, 3879, 4209, 6465, 7015, 8235, 9913, 11637, 12627, 19395, 21045, 26291, 29739, 37881, 49565, 58185, 63135, 78873, 89217, 131455, 148695, 189405, 236619, 267651, 394365, 446085, 604693, 709857, 1183095, 1338255, 1814079, 3023465, 3549285, 5442237, 9070395, 16326711, 27211185, 81633555]

約数ペア:

[(1, 81633555), (3, 27211185), (5, 16326711), (9, 9070395), (15, 5442237), (23, 3549285), (27, 3023465), (45, 1814079), (61, 1338255), (69, 1183095), (115, 709857), (135, 604693), (183, 446085), (207, 394365), (305, 267651), (345, 236619), (431, 189405), (549, 148695), (621, 131455), (915, 89217), (1035, 78873), (1293, 63135), (1403, 58185), (1647, 49565), (2155, 37881), (2745, 29739), (3105, 26291), (3879, 21045), (4209, 19395), (6465, 12627), (7015, 11637), (8235, 9913)]