39420909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 67055040

約数和(自身を除く): 27634131

約数列:

[1, 3, 9, 11, 17, 33, 51, 59, 99, 153, 177, 187, 397, 531, 561, 649, 1003, 1191, 1683, 1947, 3009, 3573, 4367, 5841, 6749, 9027, 11033, 13101, 20247, 23423, 33099, 39303, 60741, 70269, 74239, 99297, 210807, 222717, 257653, 398191, 668151, 772959, 1194573, 2318877, 3583719, 4380101, 13140303, 39420909]

約数ペア:

[(1, 39420909), (3, 13140303), (9, 4380101), (11, 3583719), (17, 2318877), (33, 1194573), (51, 772959), (59, 668151), (99, 398191), (153, 257653), (177, 222717), (187, 210807), (397, 99297), (531, 74239), (561, 70269), (649, 60741), (1003, 39303), (1191, 33099), (1683, 23423), (1947, 20247), (3009, 13101), (3573, 11033), (4367, 9027), (5841, 6749)]