394940259

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 690508800

約数和(自身を除く): 295568541

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 89, 159, 189, 267, 371, 443, 477, 623, 801, 1113, 1329, 1431, 1869, 2403, 3101, 3339, 3987, 4717, 5607, 9303, 10017, 11961, 14151, 16821, 23479, 27909, 33019, 39427, 42453, 70437, 83727, 99057, 118281, 127359, 164353, 211311, 275989, 297171, 354843, 493059, 633933, 827967, 891513, 1064529, 1479177, 2089631, 2483901, 4437531, 6268893, 7451703, 14627417, 18806679, 43882251, 56420037, 131646753, 394940259]

約数ペア:

[(1, 394940259), (3, 131646753), (7, 56420037), (9, 43882251), (21, 18806679), (27, 14627417), (53, 7451703), (63, 6268893), (89, 4437531), (159, 2483901), (189, 2089631), (267, 1479177), (371, 1064529), (443, 891513), (477, 827967), (623, 633933), (801, 493059), (1113, 354843), (1329, 297171), (1431, 275989), (1869, 211311), (2403, 164353), (3101, 127359), (3339, 118281), (3987, 99057), (4717, 83727), (5607, 70437), (9303, 42453), (10017, 39427), (11961, 33019), (14151, 27909), (16821, 23479)]