197502081

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{887}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 315076608

約数和(自身を除く): 117574527

約数列:

[1, 3, 7, 21, 23, 69, 161, 461, 483, 887, 1383, 2661, 3227, 6209, 9681, 10603, 18627, 20401, 31809, 61203, 74221, 142807, 222663, 408907, 428421, 1226721, 2862349, 8587047, 9404861, 28214583, 65834027, 197502081]

約数ペア:

[(1, 197502081), (3, 65834027), (7, 28214583), (21, 9404861), (23, 8587047), (69, 2862349), (161, 1226721), (461, 428421), (483, 408907), (887, 222663), (1383, 142807), (2661, 74221), (3227, 61203), (6209, 31809), (9681, 20401), (10603, 18627)]