198945831

素因数分解:

$3^1\times 7^3\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 310758400

約数和(自身を除く): 111812569

約数列:

[1, 3, 7, 21, 49, 147, 343, 397, 487, 1029, 1191, 1461, 2779, 3409, 8337, 10227, 19453, 23863, 58359, 71589, 136171, 167041, 193339, 408513, 501123, 580017, 1353373, 4060119, 9473611, 28420833, 66315277, 198945831]

約数ペア:

[(1, 198945831), (3, 66315277), (7, 28420833), (21, 9473611), (49, 4060119), (147, 1353373), (343, 580017), (397, 501123), (487, 408513), (1029, 193339), (1191, 167041), (1461, 136171), (2779, 71589), (3409, 58359), (8337, 23863), (10227, 19453)]