155139957

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 109036683

約数列:

[1, 3, 7, 9, 21, 53, 63, 97, 159, 291, 371, 477, 479, 679, 873, 1113, 1437, 2037, 3339, 3353, 4311, 5141, 6111, 10059, 15423, 25387, 30177, 35987, 46269, 46463, 76161, 107961, 139389, 177709, 228483, 323883, 325241, 418167, 533127, 975723, 1599381, 2462539, 2927169, 7387617, 17237773, 22162851, 51713319, 155139957]

約数ペア:

[(1, 155139957), (3, 51713319), (7, 22162851), (9, 17237773), (21, 7387617), (53, 2927169), (63, 2462539), (97, 1599381), (159, 975723), (291, 533127), (371, 418167), (477, 325241), (479, 323883), (679, 228483), (873, 177709), (1113, 139389), (1437, 107961), (2037, 76161), (3339, 46463), (3353, 46269), (4311, 35987), (5141, 30177), (6111, 25387), (10059, 15423)]