90186675

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 154573440

約数和(自身を除く): 64386765

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 139, 205, 211, 417, 615, 633, 695, 1025, 1055, 2085, 3075, 3165, 3475, 5275, 5699, 8651, 10425, 15825, 17097, 25953, 28495, 29329, 43255, 85485, 87987, 129765, 142475, 146645, 216275, 427425, 439935, 648825, 733225, 1202489, 2199675, 3607467, 6012445, 18037335, 30062225, 90186675]

約数ペア:

[(1, 90186675), (3, 30062225), (5, 18037335), (15, 6012445), (25, 3607467), (41, 2199675), (75, 1202489), (123, 733225), (139, 648825), (205, 439935), (211, 427425), (417, 216275), (615, 146645), (633, 142475), (695, 129765), (1025, 87987), (1055, 85485), (2085, 43255), (3075, 29329), (3165, 28495), (3475, 25953), (5275, 17097), (5699, 15825), (8651, 10425)]