1285197837

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 2186526720

約数和(自身を除く): 901328883

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 223, 231, 409, 427, 669, 671, 1227, 1281, 1561, 2013, 2453, 2863, 4499, 4683, 4697, 7359, 8589, 13497, 13603, 14091, 17171, 24949, 31493, 40809, 51513, 74847, 91207, 94479, 95221, 149633, 174643, 273621, 274439, 285663, 448899, 523929, 638449, 823317, 1003277, 1047431, 1915347, 1921073, 3009831, 3142293, 5563627, 5763219, 7022939, 16690881, 21068817, 38945389, 61199897, 116836167, 183599691, 428399279, 1285197837]

約数ペア:

[(1, 1285197837), (3, 428399279), (7, 183599691), (11, 116836167), (21, 61199897), (33, 38945389), (61, 21068817), (77, 16690881), (183, 7022939), (223, 5763219), (231, 5563627), (409, 3142293), (427, 3009831), (669, 1921073), (671, 1915347), (1227, 1047431), (1281, 1003277), (1561, 823317), (2013, 638449), (2453, 523929), (2863, 448899), (4499, 285663), (4683, 274439), (4697, 273621), (7359, 174643), (8589, 149633), (13497, 95221), (13603, 94479), (14091, 91207), (17171, 74847), (24949, 51513), (31493, 40809)]