72403569

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 124760064

約数和(自身を除く): 52356495

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 131, 217, 279, 283, 393, 651, 849, 917, 1179, 1953, 1981, 2547, 2751, 4061, 5943, 8253, 8773, 12183, 17829, 26319, 28427, 36549, 37073, 61411, 78957, 85281, 111219, 184233, 255843, 259511, 333657, 552699, 778533, 1149263, 2335599, 3447789, 8044841, 10343367, 24134523, 72403569]

約数ペア:

[(1, 72403569), (3, 24134523), (7, 10343367), (9, 8044841), (21, 3447789), (31, 2335599), (63, 1149263), (93, 778533), (131, 552699), (217, 333657), (279, 259511), (283, 255843), (393, 184233), (651, 111219), (849, 85281), (917, 78957), (1179, 61411), (1953, 37073), (1981, 36549), (2547, 28427), (2751, 26319), (4061, 17829), (5943, 12183), (8253, 8773)]