251145105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7607}}^1$

素因数の和:7717

約数の個数: 32

約数和(自身を含む): 420691968

約数和(自身を除く): 169546863

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2201, 6603, 7607, 11005, 22821, 33015, 38035, 114105, 235817, 540097, 707451, 1179085, 1620291, 2700485, 3537255, 8101455, 16743007, 50229021, 83715035, 251145105]

約数ペア:

[(1, 251145105), (3, 83715035), (5, 50229021), (15, 16743007), (31, 8101455), (71, 3537255), (93, 2700485), (155, 1620291), (213, 1179085), (355, 707451), (465, 540097), (1065, 235817), (2201, 114105), (6603, 38035), (7607, 33015), (11005, 22821)]