198061245

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{61991}}^1$

素因数の和:62073

約数の個数: 24

約数和(自身を含む): 348147072

約数和(自身を除く): 150085827

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 61991, 185973, 309955, 557919, 929865, 2789595, 4401361, 13204083, 22006805, 39612249, 66020415, 198061245]

約数ペア:

[(1, 198061245), (3, 66020415), (5, 39612249), (9, 22006805), (15, 13204083), (45, 4401361), (71, 2789595), (213, 929865), (355, 557919), (639, 309955), (1065, 185973), (3195, 61991)]