664120281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{15809}}^1$

素因数の和:15909

約数の個数: 32

約数和(自身を含む): 1032076800

約数和(自身を除く): 367956519

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 627, 737, 1273, 2211, 3819, 14003, 15809, 42009, 47427, 173899, 300371, 521697, 901113, 1059203, 3177609, 3304081, 9912243, 11651233, 20124857, 34953699, 60374571, 221373427, 664120281]

約数ペア:

[(1, 664120281), (3, 221373427), (11, 60374571), (19, 34953699), (33, 20124857), (57, 11651233), (67, 9912243), (201, 3304081), (209, 3177609), (627, 1059203), (737, 901113), (1273, 521697), (2211, 300371), (3819, 173899), (14003, 47427), (15809, 42009)]