13257783

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 24952320

約数和(自身を除く): 11694537

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 911, 1323, 1617, 2079, 2733, 4851, 6377, 8199, 10021, 14553, 19131, 24597, 30063, 44639, 57393, 70147, 90189, 133917, 172179, 210441, 270567, 401751, 491029, 631323, 1205253, 1473087, 1893969, 4419261, 13257783]

約数ペア:

[(1, 13257783), (3, 4419261), (7, 1893969), (9, 1473087), (11, 1205253), (21, 631323), (27, 491029), (33, 401751), (49, 270567), (63, 210441), (77, 172179), (99, 133917), (147, 90189), (189, 70147), (231, 57393), (297, 44639), (441, 30063), (539, 24597), (693, 19131), (911, 14553), (1323, 10021), (1617, 8199), (2079, 6377), (2733, 4851)]