203419551

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 287907840

約数和(自身を除く): 84488289

約数列:

[1, 3, 31, 59, 93, 131, 177, 283, 393, 849, 1829, 4061, 5487, 7729, 8773, 12183, 16697, 23187, 26319, 37073, 50091, 111219, 239599, 517607, 718797, 1149263, 1552821, 2187307, 3447789, 6561921, 67806517, 203419551]

約数ペア:

[(1, 203419551), (3, 67806517), (31, 6561921), (59, 3447789), (93, 2187307), (131, 1552821), (177, 1149263), (283, 718797), (393, 517607), (849, 239599), (1829, 111219), (4061, 50091), (5487, 37073), (7729, 26319), (8773, 23187), (12183, 16697)]