208495280457

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{9127}}^1$

素因数の和:9558

約数の個数: 48

約数和(自身を含む): 308123891712

約数和(自身を除く): 99628611255

約数列:

[1, 3, 9, 97, 137, 191, 291, 411, 573, 873, 1233, 1719, 9127, 13289, 18527, 26167, 27381, 39867, 55581, 78501, 82143, 119601, 166743, 235503, 885319, 1250399, 1743257, 2538199, 2655957, 3751197, 5229771, 7614597, 7967871, 11253591, 15689313, 22843791, 121288703, 169095929, 238826209, 363866109, 507287787, 716478627, 1091598327, 1521863361, 2149435881, 23166142273, 69498426819, 208495280457]

約数ペア:

[(1, 208495280457), (3, 69498426819), (9, 23166142273), (97, 2149435881), (137, 1521863361), (191, 1091598327), (291, 716478627), (411, 507287787), (573, 363866109), (873, 238826209), (1233, 169095929), (1719, 121288703), (9127, 22843791), (13289, 15689313), (18527, 11253591), (26167, 7967871), (27381, 7614597), (39867, 5229771), (55581, 3751197), (78501, 2655957), (82143, 2538199), (119601, 1743257), (166743, 1250399), (235503, 885319)]