409421709

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 661248000

約数和(自身を除く): 251826291

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 167, 171, 177, 243, 501, 513, 531, 729, 1121, 1503, 1539, 1593, 2187, 3173, 3363, 4509, 4617, 4779, 9519, 9853, 10089, 13527, 13851, 14337, 28557, 29559, 30267, 40581, 41553, 43011, 85671, 88677, 90801, 121743, 129033, 187207, 257013, 266031, 272403, 365229, 561621, 771039, 798093, 817209, 1684863, 2313117, 2394279, 2451627, 5054589, 6939351, 7182837, 15163767, 21548511, 45491301, 136473903, 409421709]

約数ペア:

[(1, 409421709), (3, 136473903), (9, 45491301), (19, 21548511), (27, 15163767), (57, 7182837), (59, 6939351), (81, 5054589), (167, 2451627), (171, 2394279), (177, 2313117), (243, 1684863), (501, 817209), (513, 798093), (531, 771039), (729, 561621), (1121, 365229), (1503, 272403), (1539, 266031), (1593, 257013), (2187, 187207), (3173, 129033), (3363, 121743), (4509, 90801), (4617, 88677), (4779, 85671), (9519, 43011), (9853, 41553), (10089, 40581), (13527, 30267), (13851, 29559), (14337, 28557)]