157210809

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 243767040

約数和(自身を除く): 86556231

約数列:

[1, 3, 7, 21, 109, 173, 327, 397, 519, 763, 1191, 1211, 2289, 2779, 3633, 8337, 18857, 43273, 56571, 68681, 129819, 131999, 206043, 302911, 395997, 480767, 908733, 1442301, 7486229, 22458687, 52403603, 157210809]

約数ペア:

[(1, 157210809), (3, 52403603), (7, 22458687), (21, 7486229), (109, 1442301), (173, 908733), (327, 480767), (397, 395997), (519, 302911), (763, 206043), (1191, 131999), (1211, 129819), (2289, 68681), (2779, 56571), (3633, 43273), (8337, 18857)]