211133951

素因数分解:

$7^1\times {\mathrm{23}}^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 262947840

約数和(自身を除く): 51813889

約数列:

[1, 7, 23, 37, 67, 161, 259, 469, 529, 851, 1541, 2479, 3703, 5957, 10787, 12167, 17353, 19573, 35443, 57017, 85169, 137011, 248101, 399119, 450179, 815189, 1311391, 3151253, 5706323, 9179737, 30161993, 211133951]

約数ペア:

[(1, 211133951), (7, 30161993), (23, 9179737), (37, 5706323), (67, 3151253), (161, 1311391), (259, 815189), (469, 450179), (529, 399119), (851, 248101), (1541, 137011), (2479, 85169), (3703, 57017), (5957, 35443), (10787, 19573), (12167, 17353)]