201774555

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 357402240

約数和(自身を除く): 155627685

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 239, 257, 365, 657, 717, 771, 1095, 1195, 1285, 2151, 2313, 3285, 3585, 3855, 10755, 11565, 17447, 18761, 52341, 56283, 61423, 87235, 93805, 157023, 168849, 184269, 261705, 281415, 307115, 552807, 785115, 844245, 921345, 2764035, 4483879, 13451637, 22419395, 40354911, 67258185, 201774555]

約数ペア:

[(1, 201774555), (3, 67258185), (5, 40354911), (9, 22419395), (15, 13451637), (45, 4483879), (73, 2764035), (219, 921345), (239, 844245), (257, 785115), (365, 552807), (657, 307115), (717, 281415), (771, 261705), (1095, 184269), (1195, 168849), (1285, 157023), (2151, 93805), (2313, 87235), (3285, 61423), (3585, 56283), (3855, 52341), (10755, 18761), (11565, 17447)]