201980499

素因数分解:

$3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{3461}}^1$

素因数の和:3875

約数の個数: 24

約数和(自身を含む): 314155728

約数和(自身を除く): 112175229

約数列:

[1, 3, 7, 21, 49, 147, 397, 1191, 2779, 3461, 8337, 10383, 19453, 24227, 58359, 72681, 169589, 508767, 1374017, 4122051, 9618119, 28854357, 67326833, 201980499]

約数ペア:

[(1, 201980499), (3, 67326833), (7, 28854357), (21, 9618119), (49, 4122051), (147, 1374017), (397, 508767), (1191, 169589), (2779, 72681), (3461, 58359), (8337, 24227), (10383, 19453)]