197240454

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{68917}}^1$

素因数の和:68981

約数の個数: 32

約数和(自身を含む): 446588640

約数和(自身を除く): 249348186

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 68917, 137834, 206751, 413502, 620253, 1240506, 1860759, 3652601, 3721518, 7305202, 10957803, 21915606, 32873409, 65746818, 98620227, 197240454]

約数ペア:

[(1, 197240454), (2, 98620227), (3, 65746818), (6, 32873409), (9, 21915606), (18, 10957803), (27, 7305202), (53, 3721518), (54, 3652601), (106, 1860759), (159, 1240506), (318, 620253), (477, 413502), (954, 206751), (1431, 137834), (2862, 68917)]