78980643

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18169}}^1$

素因数の和:18208

約数の個数: 32

約数和(自身を含む): 139545600

約数和(自身を除く): 60564957

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 18169, 54507, 127183, 163521, 381549, 417887, 490563, 1144647, 1253661, 2925209, 3433941, 3760983, 8775627, 11282949, 26326881, 78980643]

約数ペア:

[(1, 78980643), (3, 26326881), (7, 11282949), (9, 8775627), (21, 3760983), (23, 3433941), (27, 2925209), (63, 1253661), (69, 1144647), (161, 490563), (189, 417887), (207, 381549), (483, 163521), (621, 127183), (1449, 54507), (4347, 18169)]