123605781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 181440000

約数和(自身を除く): 57834219

約数列:

[1, 3, 13, 39, 89, 149, 239, 267, 447, 717, 1157, 1937, 3107, 3471, 5811, 9321, 13261, 21271, 35611, 39783, 63813, 106833, 172393, 276523, 462943, 517179, 829569, 1388829, 3169379, 9508137, 41201927, 123605781]

約数ペア:

[(1, 123605781), (3, 41201927), (13, 9508137), (39, 3169379), (89, 1388829), (149, 829569), (239, 517179), (267, 462943), (447, 276523), (717, 172393), (1157, 106833), (1937, 63813), (3107, 39783), (3471, 35611), (5811, 21271), (9321, 13261)]