248876307

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 418176000

約数和(自身を除く): 169299693

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 79, 81, 89, 171, 207, 237, 267, 437, 513, 621, 711, 801, 1311, 1501, 1539, 1691, 1817, 1863, 2047, 2133, 2403, 3933, 4503, 5073, 5451, 6141, 6399, 7031, 7209, 11799, 13509, 15219, 16353, 18423, 21093, 34523, 35397, 38893, 40527, 45657, 49059, 55269, 63279, 103569, 116679, 121581, 133589, 136971, 147177, 161713, 165807, 189837, 310707, 350037, 400767, 485139, 569511, 932121, 1050111, 1202301, 1455417, 2796363, 3072547, 3150333, 3606903, 4366251, 9217641, 10820709, 13098753, 27652923, 82958769, 248876307]

約数ペア:

[(1, 248876307), (3, 82958769), (9, 27652923), (19, 13098753), (23, 10820709), (27, 9217641), (57, 4366251), (69, 3606903), (79, 3150333), (81, 3072547), (89, 2796363), (171, 1455417), (207, 1202301), (237, 1050111), (267, 932121), (437, 569511), (513, 485139), (621, 400767), (711, 350037), (801, 310707), (1311, 189837), (1501, 165807), (1539, 161713), (1691, 147177), (1817, 136971), (1863, 133589), (2047, 121581), (2133, 116679), (2403, 103569), (3933, 63279), (4503, 55269), (5073, 49059), (5451, 45657), (6141, 40527), (6399, 38893), (7031, 35397), (7209, 34523), (11799, 21093), (13509, 18423), (15219, 16353)]