220261518

素因数分解:

$2^1\times 3^7\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1421

約数の個数: 64

約数和(自身を含む): 509279040

約数和(自身を除く): 289017522

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 666, 729, 999, 1361, 1458, 1998, 2187, 2722, 2997, 4083, 4374, 5994, 8166, 8991, 12249, 17982, 24498, 26973, 36747, 50357, 53946, 73494, 80919, 100714, 110241, 151071, 161838, 220482, 302142, 330723, 453213, 661446, 906426, 992169, 1359639, 1984338, 2719278, 2976507, 4078917, 5953014, 8157834, 12236751, 24473502, 36710253, 73420506, 110130759, 220261518]

約数ペア:

[(1, 220261518), (2, 110130759), (3, 73420506), (6, 36710253), (9, 24473502), (18, 12236751), (27, 8157834), (37, 5953014), (54, 4078917), (74, 2976507), (81, 2719278), (111, 1984338), (162, 1359639), (222, 992169), (243, 906426), (333, 661446), (486, 453213), (666, 330723), (729, 302142), (999, 220482), (1361, 161838), (1458, 151071), (1998, 110241), (2187, 100714), (2722, 80919), (2997, 73494), (4083, 53946), (4374, 50357), (5994, 36747), (8166, 26973), (8991, 24498), (12249, 17982)]