66990675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 118920960

約数和(自身を除く): 51930285

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 475, 795, 887, 1007, 1325, 1425, 2661, 3021, 3975, 4435, 5035, 13305, 15105, 16853, 22175, 25175, 47011, 50559, 66525, 75525, 84265, 141033, 235055, 252795, 421325, 705165, 893209, 1175275, 1263975, 2679627, 3525825, 4466045, 13398135, 22330225, 66990675]

約数ペア:

[(1, 66990675), (3, 22330225), (5, 13398135), (15, 4466045), (19, 3525825), (25, 2679627), (53, 1263975), (57, 1175275), (75, 893209), (95, 705165), (159, 421325), (265, 252795), (285, 235055), (475, 141033), (795, 84265), (887, 75525), (1007, 66525), (1325, 50559), (1425, 47011), (2661, 25175), (3021, 22175), (3975, 16853), (4435, 15105), (5035, 13305)]