156618231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 268763136

約数和(自身を除く): 112144905

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 21871, 65613, 153097, 240581, 459291, 678001, 721743, 1684067, 2034003, 4746007, 5052201, 7458011, 14238021, 22374033, 52206077, 156618231]

約数ペア:

[(1, 156618231), (3, 52206077), (7, 22374033), (11, 14238021), (21, 7458011), (31, 5052201), (33, 4746007), (77, 2034003), (93, 1684067), (217, 721743), (231, 678001), (341, 459291), (651, 240581), (1023, 153097), (2387, 65613), (7161, 21871)]