204025245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 154292835

約数列:

[1, 3, 5, 15, 17, 51, 59, 71, 85, 177, 191, 213, 255, 295, 355, 573, 885, 955, 1003, 1065, 1207, 2865, 3009, 3247, 3621, 4189, 5015, 6035, 9741, 11269, 12567, 13561, 15045, 16235, 18105, 20945, 33807, 40683, 48705, 56345, 62835, 67805, 71213, 169035, 191573, 203415, 213639, 230537, 356065, 574719, 691611, 800099, 957865, 1068195, 1152685, 2400297, 2873595, 3458055, 4000495, 12001485, 13601683, 40805049, 68008415, 204025245]

約数ペア:

[(1, 204025245), (3, 68008415), (5, 40805049), (15, 13601683), (17, 12001485), (51, 4000495), (59, 3458055), (71, 2873595), (85, 2400297), (177, 1152685), (191, 1068195), (213, 957865), (255, 800099), (295, 691611), (355, 574719), (573, 356065), (885, 230537), (955, 213639), (1003, 203415), (1065, 191573), (1207, 169035), (2865, 71213), (3009, 67805), (3247, 62835), (3621, 56345), (4189, 48705), (5015, 40683), (6035, 33807), (9741, 20945), (11269, 18105), (12567, 16235), (13561, 15045)]