128465745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3989}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 218332800

約数和(自身を除く): 89867055

約数列:

[1, 3, 5, 15, 19, 57, 95, 113, 285, 339, 565, 1695, 2147, 3989, 6441, 10735, 11967, 19945, 32205, 59835, 75791, 227373, 378955, 450757, 1136865, 1352271, 2253785, 6761355, 8564383, 25693149, 42821915, 128465745]

約数ペア:

[(1, 128465745), (3, 42821915), (5, 25693149), (15, 8564383), (19, 6761355), (57, 2253785), (95, 1352271), (113, 1136865), (285, 450757), (339, 378955), (565, 227373), (1695, 75791), (2147, 59835), (3989, 32205), (6441, 19945), (10735, 11967)]