220145121

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 417650688

約数和(自身を除く): 197505567

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 81, 119, 153, 161, 189, 207, 243, 331, 357, 391, 459, 483, 567, 621, 993, 1071, 1173, 1377, 1449, 1701, 1863, 2317, 2737, 2979, 3213, 3519, 4131, 4347, 5589, 5627, 6951, 7613, 8211, 8937, 9639, 10557, 13041, 16881, 20853, 22839, 24633, 26811, 28917, 31671, 39123, 39389, 50643, 53291, 62559, 68517, 73899, 80433, 95013, 118167, 129421, 151929, 159873, 187677, 205551, 221697, 354501, 388263, 455787, 479619, 563031, 616653, 665091, 905947, 1063503, 1164789, 1367361, 1438857, 1849959, 2717841, 3190509, 3494367, 4316571, 8153523, 9571527, 10483101, 12949713, 24460569, 31449303, 73381707, 220145121]

約数ペア:

[(1, 220145121), (3, 73381707), (7, 31449303), (9, 24460569), (17, 12949713), (21, 10483101), (23, 9571527), (27, 8153523), (51, 4316571), (63, 3494367), (69, 3190509), (81, 2717841), (119, 1849959), (153, 1438857), (161, 1367361), (189, 1164789), (207, 1063503), (243, 905947), (331, 665091), (357, 616653), (391, 563031), (459, 479619), (483, 455787), (567, 388263), (621, 354501), (993, 221697), (1071, 205551), (1173, 187677), (1377, 159873), (1449, 151929), (1701, 129421), (1863, 118167), (2317, 95013), (2737, 80433), (2979, 73899), (3213, 68517), (3519, 62559), (4131, 53291), (4347, 50643), (5589, 39389), (5627, 39123), (6951, 31671), (7613, 28917), (8211, 26811), (8937, 24633), (9639, 22839), (10557, 20853), (13041, 16881)]